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Finding the Fourth Proportional to 132,324.32, 198,741.78 and 113,391.87

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Solution

The fourth proportional to 132,324.32, 198,741.78 and 113,391.87 is: 170,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,324.32 : 198,741.78 = 113,391.87 : x
  2. Step 2: Convert to fraction form
    132,324.32/198,741.78 = 113,391.87/x
  3. Step 3: Cross multiply
    132,324.32x = 198,741.78 × 113,391.87
  4. Step 4: Simplify right side
    132,324.32x = 22,535,702,081.33
  5. Step 5: Solve for x
    x = 22,535,702,081.33/132,324.32
  6. Step 6: Final answer
    x = 170,306.58

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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.