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Finding the Fourth Proportional to 89,449.92, 134,123.04 and 36,799.92

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Solution

The fourth proportional to 89,449.92, 134,123.04 and 36,799.92 is: 55,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,449.92 : 134,123.04 = 36,799.92 : x
  2. Step 2: Convert to fraction form
    89,449.92/134,123.04 = 36,799.92/x
  3. Step 3: Cross multiply
    89,449.92x = 134,123.04 × 36,799.92
  4. Step 4: Simplify right side
    89,449.92x = 4,935,717,142.16
  5. Step 5: Solve for x
    x = 4,935,717,142.16/89,449.92
  6. Step 6: Final answer
    x = 55,178.55

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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.