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Finding the Fourth Proportional to 234,229.86, 351,272.30 and 84,450.87

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Solution

The fourth proportional to 234,229.86, 351,272.30 and 84,450.87 is: 126,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,229.86 : 351,272.30 = 84,450.87 : x
  2. Step 2: Convert to fraction form
    234,229.86/351,272.30 = 84,450.87/x
  3. Step 3: Cross multiply
    234,229.86x = 351,272.30 × 84,450.87
  4. Step 4: Simplify right side
    234,229.86x = 29,665,250,919.65
  5. Step 5: Solve for x
    x = 29,665,250,919.65/234,229.86
  6. Step 6: Final answer
    x = 126,650.17

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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.