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Finding the Fourth Proportional to 123,937.97, 171,035.39 and 67,349.34

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Solution

The fourth proportional to 123,937.97, 171,035.39 and 67,349.34 is: 92,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,937.97 : 171,035.39 = 67,349.34 : x
  2. Step 2: Convert to fraction form
    123,937.97/171,035.39 = 67,349.34/x
  3. Step 3: Cross multiply
    123,937.97x = 171,035.39 × 67,349.34
  4. Step 4: Simplify right side
    123,937.97x = 11,519,120,801.52
  5. Step 5: Solve for x
    x = 11,519,120,801.52/123,937.97
  6. Step 6: Final answer
    x = 92,942.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.