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Finding the Fourth Proportional to 132,301.80, 198,452.70 and 119,617.20

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Solution

The fourth proportional to 132,301.80, 198,452.70 and 119,617.20 is: 179,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,301.80 : 198,452.70 = 119,617.20 : x
  2. Step 2: Convert to fraction form
    132,301.80/198,452.70 = 119,617.20/x
  3. Step 3: Cross multiply
    132,301.80x = 198,452.70 × 119,617.20
  4. Step 4: Simplify right side
    132,301.80x = 23,738,356,306.44
  5. Step 5: Solve for x
    x = 23,738,356,306.44/132,301.80
  6. Step 6: Final answer
    x = 179,425.80

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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.