[
  "Express both ratios with the same number of units for Patrick. Patrick:Father = 3:4, Patrick:Mother = 6:7. LCM of 3 and 6 is 12.",
  "Patrick:Father = 3:4 = 12:16. Patrick:Mother = 6:7 = 12:14. Father - Mother = 2 units = 22 cm, so 1 unit = 11 cm.",
  "Patrick = 12 x 11 = 132 cm. Answer: 132 cm."
]