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Finding the Fourth Proportional to 351,294.98, 527,105.48 and 111,446.69

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Solution

The fourth proportional to 351,294.98, 527,105.48 and 111,446.69 is: 167,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,294.98 : 527,105.48 = 111,446.69 : x
  2. Step 2: Convert to fraction form
    351,294.98/527,105.48 = 111,446.69/x
  3. Step 3: Cross multiply
    351,294.98x = 527,105.48 × 111,446.69
  4. Step 4: Simplify right side
    351,294.98x = 58,744,157,834.10
  5. Step 5: Solve for x
    x = 58,744,157,834.10/351,294.98
  6. Step 6: Final answer
    x = 167,221.74

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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.