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Finding the Fourth Proportional to 224,624.80, 336,781.12 and 84,345.76

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Solution

The fourth proportional to 224,624.80, 336,781.12 and 84,345.76 is: 126,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,624.80 : 336,781.12 = 84,345.76 : x
  2. Step 2: Convert to fraction form
    224,624.80/336,781.12 = 84,345.76/x
  3. Step 3: Cross multiply
    224,624.80x = 336,781.12 × 84,345.76
  4. Step 4: Simplify right side
    224,624.80x = 28,406,059,520.05
  5. Step 5: Solve for x
    x = 28,406,059,520.05/224,624.80
  6. Step 6: Final answer
    x = 126,460.03

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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.