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Finding the Fourth Proportional to 84,049.52, 126,092.97 and 36,672.29

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Solution

The fourth proportional to 84,049.52, 126,092.97 and 36,672.29 is: 55,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049.52 : 126,092.97 = 36,672.29 : x
  2. Step 2: Convert to fraction form
    84,049.52/126,092.97 = 36,672.29/x
  3. Step 3: Cross multiply
    84,049.52x = 126,092.97 × 36,672.29
  4. Step 4: Simplify right side
    84,049.52x = 4,624,117,962.80
  5. Step 5: Solve for x
    x = 4,624,117,962.80/84,049.52
  6. Step 6: Final answer
    x = 55,016.59

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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.