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Finding the Fourth Proportional to 101,937.97, 140,685.56 and 58,334.55

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Solution

The fourth proportional to 101,937.97, 140,685.56 and 58,334.55 is: 80,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,937.97 : 140,685.56 = 58,334.55 : x
  2. Step 2: Convert to fraction form
    101,937.97/140,685.56 = 58,334.55/x
  3. Step 3: Cross multiply
    101,937.97x = 140,685.56 × 58,334.55
  4. Step 4: Simplify right side
    101,937.97x = 8,206,829,420.64
  5. Step 5: Solve for x
    x = 8,206,829,420.64/101,937.97
  6. Step 6: Final answer
    x = 80,508.07

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Why These Related Problems?

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