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Finding the Fourth Proportional to 132,349.88, 198,561.88 and 53,519.47

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Solution

The fourth proportional to 132,349.88, 198,561.88 and 53,519.47 is: 80,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,349.88 : 198,561.88 = 53,519.47 : x
  2. Step 2: Convert to fraction form
    132,349.88/198,561.88 = 53,519.47/x
  3. Step 3: Cross multiply
    132,349.88x = 198,561.88 × 53,519.47
  4. Step 4: Simplify right side
    132,349.88x = 10,626,926,150.30
  5. Step 5: Solve for x
    x = 10,626,926,150.30/132,349.88
  6. Step 6: Final answer
    x = 80,294.19

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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.