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Finding the Fourth Proportional to 132,357.57, 198,560.95 and 43,614.57

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Solution

The fourth proportional to 132,357.57, 198,560.95 and 43,614.57 is: 65,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.57 : 198,560.95 = 43,614.57 : x
  2. Step 2: Convert to fraction form
    132,357.57/198,560.95 = 43,614.57/x
  3. Step 3: Cross multiply
    132,357.57x = 198,560.95 × 43,614.57
  4. Step 4: Simplify right side
    132,357.57x = 8,660,150,453.04
  5. Step 5: Solve for x
    x = 8,660,150,453.04/132,357.57
  6. Step 6: Final answer
    x = 65,429.96

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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.