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Finding the Fourth Proportional to 239,992.29, 359,983.98 and 71,626.86

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Solution

The fourth proportional to 239,992.29, 359,983.98 and 71,626.86 is: 107,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,992.29 : 359,983.98 = 71,626.86 : x
  2. Step 2: Convert to fraction form
    239,992.29/359,983.98 = 71,626.86/x
  3. Step 3: Cross multiply
    239,992.29x = 359,983.98 × 71,626.86
  4. Step 4: Simplify right side
    239,992.29x = 25,784,522,137.70
  5. Step 5: Solve for x
    x = 25,784,522,137.70/239,992.29
  6. Step 6: Final answer
    x = 107,438.96

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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.