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Finding the Fourth Proportional to 92,593.76, 127,744.14 and 68,452.68

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Solution

The fourth proportional to 92,593.76, 127,744.14 and 68,452.68 is: 94,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,593.76 : 127,744.14 = 68,452.68 : x
  2. Step 2: Convert to fraction form
    92,593.76/127,744.14 = 68,452.68/x
  3. Step 3: Cross multiply
    92,593.76x = 127,744.14 × 68,452.68
  4. Step 4: Simplify right side
    92,593.76x = 8,744,428,737.30
  5. Step 5: Solve for x
    x = 8,744,428,737.30/92,593.76
  6. Step 6: Final answer
    x = 94,438.64

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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.