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Finding the Fourth Proportional to 84,559.52, 126,839.28 and 22,229.92

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Solution

The fourth proportional to 84,559.52, 126,839.28 and 22,229.92 is: 33,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.52 : 126,839.28 = 22,229.92 : x
  2. Step 2: Convert to fraction form
    84,559.52/126,839.28 = 22,229.92/x
  3. Step 3: Cross multiply
    84,559.52x = 126,839.28 × 22,229.92
  4. Step 4: Simplify right side
    84,559.52x = 2,819,627,047.26
  5. Step 5: Solve for x
    x = 2,819,627,047.26/84,559.52
  6. Step 6: Final answer
    x = 33,344.88

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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.