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Finding the Fourth Proportional to 93,753.92, 129,377.28 and 53,480.72

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Solution

The fourth proportional to 93,753.92, 129,377.28 and 53,480.72 is: 73,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,753.92 : 129,377.28 = 53,480.72 : x
  2. Step 2: Convert to fraction form
    93,753.92/129,377.28 = 53,480.72/x
  3. Step 3: Cross multiply
    93,753.92x = 129,377.28 × 53,480.72
  4. Step 4: Simplify right side
    93,753.92x = 6,919,190,086.04
  5. Step 5: Solve for x
    x = 6,919,190,086.04/93,753.92
  6. Step 6: Final answer
    x = 73,801.61

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1.5x scale

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.