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Finding the Fourth Proportional to 132,410.80, 198,324.60 and 92,753.20

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Solution

The fourth proportional to 132,410.80, 198,324.60 and 92,753.20 is: 138,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,410.80 : 198,324.60 = 92,753.20 : x
  2. Step 2: Convert to fraction form
    132,410.80/198,324.60 = 92,753.20/x
  3. Step 3: Cross multiply
    132,410.80x = 198,324.60 × 92,753.20
  4. Step 4: Simplify right side
    132,410.80x = 18,395,241,288.72
  5. Step 5: Solve for x
    x = 18,395,241,288.72/132,410.80
  6. Step 6: Final answer
    x = 138,925.54

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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.