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Finding the Fourth Proportional to 234,244.86, 351,294.78 and 84,465.90

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Solution

The fourth proportional to 234,244.86, 351,294.78 and 84,465.90 is: 126,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,244.86 : 351,294.78 = 84,465.90 : x
  2. Step 2: Convert to fraction form
    234,244.86/351,294.78 = 84,465.90/x
  3. Step 3: Cross multiply
    234,244.86x = 351,294.78 × 84,465.90
  4. Step 4: Simplify right side
    234,244.86x = 29,672,429,758.00
  5. Step 5: Solve for x
    x = 29,672,429,758.00/234,244.86
  6. Step 6: Final answer
    x = 126,672.70

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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.