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Finding the Fourth Proportional to 132,080.76, 198,150.30 and 48,974.76

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Solution

The fourth proportional to 132,080.76, 198,150.30 and 48,974.76 is: 73,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.76 : 198,150.30 = 48,974.76 : x
  2. Step 2: Convert to fraction form
    132,080.76/198,150.30 = 48,974.76/x
  3. Step 3: Cross multiply
    132,080.76x = 198,150.30 × 48,974.76
  4. Step 4: Simplify right side
    132,080.76x = 9,704,363,386.43
  5. Step 5: Solve for x
    x = 9,704,363,386.43/132,080.76
  6. Step 6: Final answer
    x = 73,472.95

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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.