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Finding the Fourth Proportional to 137,997.42, 206,996.13 and 44,503.17

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Solution

The fourth proportional to 137,997.42, 206,996.13 and 44,503.17 is: 66,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,997.42 : 206,996.13 = 44,503.17 : x
  2. Step 2: Convert to fraction form
    137,997.42/206,996.13 = 44,503.17/x
  3. Step 3: Cross multiply
    137,997.42x = 206,996.13 × 44,503.17
  4. Step 4: Simplify right side
    137,997.42x = 9,211,984,476.02
  5. Step 5: Solve for x
    x = 9,211,984,476.02/137,997.42
  6. Step 6: Final answer
    x = 66,754.76

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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.