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Finding the Fourth Proportional to 231,846.71, 347,819.27 and 80,057.97

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Solution

The fourth proportional to 231,846.71, 347,819.27 and 80,057.97 is: 120,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,846.71 : 347,819.27 = 80,057.97 : x
  2. Step 2: Convert to fraction form
    231,846.71/347,819.27 = 80,057.97/x
  3. Step 3: Cross multiply
    231,846.71x = 347,819.27 × 80,057.97
  4. Step 4: Simplify right side
    231,846.71x = 27,845,704,282.79
  5. Step 5: Solve for x
    x = 27,845,704,282.79/231,846.71
  6. Step 6: Final answer
    x = 120,103.95

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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.