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Finding the Fourth Proportional to 226,103.52, 339,203.28 and 85,859.04

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Solution

The fourth proportional to 226,103.52, 339,203.28 and 85,859.04 is: 128,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,103.52 : 339,203.28 = 85,859.04 : x
  2. Step 2: Convert to fraction form
    226,103.52/339,203.28 = 85,859.04/x
  3. Step 3: Cross multiply
    226,103.52x = 339,203.28 × 85,859.04
  4. Step 4: Simplify right side
    226,103.52x = 29,123,667,985.65
  5. Step 5: Solve for x
    x = 29,123,667,985.65/226,103.52
  6. Step 6: Final answer
    x = 128,806.79

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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.