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Finding the Fourth Proportional to 157,750.40, 236,625.60 and 155,158.40

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Solution

The fourth proportional to 157,750.40, 236,625.60 and 155,158.40 is: 232,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,750.40 : 236,625.60 = 155,158.40 : x
  2. Step 2: Convert to fraction form
    157,750.40/236,625.60 = 155,158.40/x
  3. Step 3: Cross multiply
    157,750.40x = 236,625.60 × 155,158.40
  4. Step 4: Simplify right side
    157,750.40x = 36,714,449,495.04
  5. Step 5: Solve for x
    x = 36,714,449,495.04/157,750.40
  6. Step 6: Final answer
    x = 232,737.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.