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Finding the Fourth Proportional to 226,474.72, 339,712.88 and 68,704.52

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Solution

The fourth proportional to 226,474.72, 339,712.88 and 68,704.52 is: 103,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,474.72 : 339,712.88 = 68,704.52 : x
  2. Step 2: Convert to fraction form
    226,474.72/339,712.88 = 68,704.52/x
  3. Step 3: Cross multiply
    226,474.72x = 339,712.88 × 68,704.52
  4. Step 4: Simplify right side
    226,474.72x = 23,339,810,358.22
  5. Step 5: Solve for x
    x = 23,339,810,358.22/226,474.72
  6. Step 6: Final answer
    x = 103,057.02

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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.