\[ (11,13;\,64):(13,17;\,\underline{\hspace{1cm}}) \;::\; (17,19;\,144):(19,23;\,196) \]
\[ (122;\,10,12):(170;\,12,14)::(226;\,14,16):\underline{\hspace{2cm}} \]
\[ \frac{15}{\text{CE}} : \underline{\hspace{2cm}} \; :: \; \frac{77}{\text{GK}} : \frac{143}{\text{KM}} \]