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Finding the Fourth Proportional to 113,229.92, 169,844.68 and 30,123.92

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Solution

The fourth proportional to 113,229.92, 169,844.68 and 30,123.92 is: 45,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,229.92 : 169,844.68 = 30,123.92 : x
  2. Step 2: Convert to fraction form
    113,229.92/169,844.68 = 30,123.92/x
  3. Step 3: Cross multiply
    113,229.92x = 169,844.68 × 30,123.92
  4. Step 4: Simplify right side
    113,229.92x = 5,116,387,552.75
  5. Step 5: Solve for x
    x = 5,116,387,552.75/113,229.92
  6. Step 6: Final answer
    x = 45,185.83

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1.5x scale

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.