Consider the ratio as "parts of x."
[tex]3x+3x+5x=123[/tex]
Let's find what one "part" is. (the value of x)
[tex]11x=123[/tex]
[tex]x=\frac{123}{11}=11\frac{2}{11}[/tex]
Multiply by 3, 3, and 5 to get our answer.
[tex]\boxed{33\frac{6}{11},\ 33\frac{6}{11},\ 55\frac{10}{11}}[/tex]
