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Finding the Fourth Proportional to 132,882.52, 199,417.18 and 120,177.76

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Solution

The fourth proportional to 132,882.52, 199,417.18 and 120,177.76 is: 180,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.52 : 199,417.18 = 120,177.76 : x
  2. Step 2: Convert to fraction form
    132,882.52/199,417.18 = 120,177.76/x
  3. Step 3: Cross multiply
    132,882.52x = 199,417.18 × 120,177.76
  4. Step 4: Simplify right side
    132,882.52x = 23,965,509,000.83
  5. Step 5: Solve for x
    x = 23,965,509,000.83/132,882.52
  6. Step 6: Final answer
    x = 180,351.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.