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Finding the Fourth Proportional to 157,344.10, 217,411.05 and 125,773.54

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Solution

The fourth proportional to 157,344.10, 217,411.05 and 125,773.54 is: 173,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,344.10 : 217,411.05 = 125,773.54 : x
  2. Step 2: Convert to fraction form
    157,344.10/217,411.05 = 125,773.54/x
  3. Step 3: Cross multiply
    157,344.10x = 217,411.05 × 125,773.54
  4. Step 4: Simplify right side
    157,344.10x = 27,344,557,393.62
  5. Step 5: Solve for x
    x = 27,344,557,393.62/157,344.10
  6. Step 6: Final answer
    x = 173,788.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.