[tex]1 \frac{2}{3} = \frac{5}{3} [/tex]
[tex]2 \frac{1}{2} = \frac{5}{2} [/tex]
{a, b, c} d.p{1/4,5/3,5/2}
a/1/4=b/5/3=c/5/2 =k
a= 1/4k
b=5/3k
c=5/2 k
a+b+c=106
1/4k+5/3k +5/2k=106
3k +20k +30k/12=106
53k/12=106
k=106÷53/12
k=106×12/53
k=24
a=1/4k =1/4×24= 6
b=5/3k=5/3×24=40
c= 5/2k =5/2×24=60
