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Finding the Fourth Proportional to 157,472.52, 236,068.92 and 61,387.60

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Solution

The fourth proportional to 157,472.52, 236,068.92 and 61,387.60 is: 92,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.52 : 236,068.92 = 61,387.60 : x
  2. Step 2: Convert to fraction form
    157,472.52/236,068.92 = 61,387.60/x
  3. Step 3: Cross multiply
    157,472.52x = 236,068.92 × 61,387.60
  4. Step 4: Simplify right side
    157,472.52x = 14,491,704,433.39
  5. Step 5: Solve for x
    x = 14,491,704,433.39/157,472.52
  6. Step 6: Final answer
    x = 92,026.88

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Why These Related Problems?

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