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Finding the Fourth Proportional to 92,697.56, 127,929.18 and 52,411.71

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Solution

The fourth proportional to 92,697.56, 127,929.18 and 52,411.71 is: 72,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,697.56 : 127,929.18 = 52,411.71 : x
  2. Step 2: Convert to fraction form
    92,697.56/127,929.18 = 52,411.71/x
  3. Step 3: Cross multiply
    92,697.56x = 127,929.18 × 52,411.71
  4. Step 4: Simplify right side
    92,697.56x = 6,704,987,082.70
  5. Step 5: Solve for x
    x = 6,704,987,082.70/92,697.56
  6. Step 6: Final answer
    x = 72,331.87

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Why These Related Problems?

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