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Finding the Fourth Proportional to 67,615.70, 101,463.94 and 36,049.20

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Solution

The fourth proportional to 67,615.70, 101,463.94 and 36,049.20 is: 54,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,615.70 : 101,463.94 = 36,049.20 : x
  2. Step 2: Convert to fraction form
    67,615.70/101,463.94 = 36,049.20/x
  3. Step 3: Cross multiply
    67,615.70x = 101,463.94 × 36,049.20
  4. Step 4: Simplify right side
    67,615.70x = 3,657,693,865.85
  5. Step 5: Solve for x
    x = 3,657,693,865.85/67,615.70
  6. Step 6: Final answer
    x = 54,095.33

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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.