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Finding the Fourth Proportional to 124,791.71, 187,219.13 and 34,834.41

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Solution

The fourth proportional to 124,791.71, 187,219.13 and 34,834.41 is: 52,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,791.71 : 187,219.13 = 34,834.41 : x
  2. Step 2: Convert to fraction form
    124,791.71/187,219.13 = 34,834.41/x
  3. Step 3: Cross multiply
    124,791.71x = 187,219.13 × 34,834.41
  4. Step 4: Simplify right side
    124,791.71x = 6,521,667,760.09
  5. Step 5: Solve for x
    x = 6,521,667,760.09/124,791.71
  6. Step 6: Final answer
    x = 52,260.43

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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.