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Finding the Fourth Proportional to 234,502.60, 351,753.90 and 84,814.60

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Solution

The fourth proportional to 234,502.60, 351,753.90 and 84,814.60 is: 127,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,502.60 : 351,753.90 = 84,814.60 : x
  2. Step 2: Convert to fraction form
    234,502.60/351,753.90 = 84,814.60/x
  3. Step 3: Cross multiply
    234,502.60x = 351,753.90 × 84,814.60
  4. Step 4: Simplify right side
    234,502.60x = 29,833,866,326.94
  5. Step 5: Solve for x
    x = 29,833,866,326.94/234,502.60
  6. Step 6: Final answer
    x = 127,221.90

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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.