[tex]2a=3b=4c=6d=k \Rightarrow a=\frac{k}{2}\\\\
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ \Rightarrow b= \frac{k}{3} \\\\
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ \Rightarrow c= \frac{k}{4}\\\\
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ \Rightarrow d= \frac{k}{6}\\\\\\
Inlocuim:\\\\
\Rightarrow a=144 \\\\
\Rightarrow b=96 \\\\ \Rightarrow c=72\\\\ \Rightarrow d=48.[/tex]
