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Finding the Fourth Proportional to 132,532.95, 198,731.33 and 39,026.55

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Solution

The fourth proportional to 132,532.95, 198,731.33 and 39,026.55 is: 58,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,532.95 : 198,731.33 = 39,026.55 : x
  2. Step 2: Convert to fraction form
    132,532.95/198,731.33 = 39,026.55/x
  3. Step 3: Cross multiply
    132,532.95x = 198,731.33 × 39,026.55
  4. Step 4: Simplify right side
    132,532.95x = 7,755,797,991.68
  5. Step 5: Solve for x
    x = 7,755,797,991.68/132,532.95
  6. Step 6: Final answer
    x = 58,519.77

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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.