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Finding the Fourth Proportional to 129,773.44, 194,694.78 and 41,028.62

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Solution

The fourth proportional to 129,773.44, 194,694.78 and 41,028.62 is: 61,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,773.44 : 194,694.78 = 41,028.62 : x
  2. Step 2: Convert to fraction form
    129,773.44/194,694.78 = 41,028.62/x
  3. Step 3: Cross multiply
    129,773.44x = 194,694.78 × 41,028.62
  4. Step 4: Simplify right side
    129,773.44x = 7,988,058,144.60
  5. Step 5: Solve for x
    x = 7,988,058,144.60/129,773.44
  6. Step 6: Final answer
    x = 61,553.88

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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.