There are occasions when it is required to maintain a particular column width across multiple columns within the same table or across multiple tables. This is normally achieved by using 'widest text'.
However, this only operates on the actual content within the columns. If that content does not match the widest text in other columns or tables it results in a narrower or wider column.
It would be very useful to have a template entry or a 'ghost' entry, so that the same width can be obtained regardless of the content.
i.e. several columns should have the same width based on a 'ghost' value of '$123,456,789' but a column's content might range from '$1,234' to $12,345,678'. This column's content should behave (and compose) as though the larger, wider 'ghost' value were present.
Any solution should NOT require a dummy row as this would disturb alternate row shading.