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Finding the Fourth Proportional to 226,458.08, 339,687.92 and 68,687.90

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Solution

The fourth proportional to 226,458.08, 339,687.92 and 68,687.90 is: 103,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,458.08 : 339,687.92 = 68,687.90 : x
  2. Step 2: Convert to fraction form
    226,458.08/339,687.92 = 68,687.90/x
  3. Step 3: Cross multiply
    226,458.08x = 339,687.92 × 68,687.90
  4. Step 4: Simplify right side
    226,458.08x = 23,332,448,353.45
  5. Step 5: Solve for x
    x = 23,332,448,353.45/226,458.08
  6. Step 6: Final answer
    x = 103,032.09

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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.