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Finding the Fourth Proportional to 124,251.97, 186,377.96 and 30,757.72

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Solution

The fourth proportional to 124,251.97, 186,377.96 and 30,757.72 is: 46,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,251.97 : 186,377.96 = 30,757.72 : x
  2. Step 2: Convert to fraction form
    124,251.97/186,377.96 = 30,757.72/x
  3. Step 3: Cross multiply
    124,251.97x = 186,377.96 × 30,757.72
  4. Step 4: Simplify right side
    124,251.97x = 5,732,560,954.06
  5. Step 5: Solve for x
    x = 5,732,560,954.06/124,251.97
  6. Step 6: Final answer
    x = 46,136.58

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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.