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Finding the Fourth Proportional to 224,377.60, 336,467.92 and 84,037.80

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Solution

The fourth proportional to 224,377.60, 336,467.92 and 84,037.80 is: 126,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,377.60 : 336,467.92 = 84,037.80 : x
  2. Step 2: Convert to fraction form
    224,377.60/336,467.92 = 84,037.80/x
  3. Step 3: Cross multiply
    224,377.60x = 336,467.92 × 84,037.80
  4. Step 4: Simplify right side
    224,377.60x = 28,276,023,767.38
  5. Step 5: Solve for x
    x = 28,276,023,767.38/224,377.60
  6. Step 6: Final answer
    x = 126,019.82

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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.