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Finding the Fourth Proportional to 108,616.41, 149,882.45 and 60,860.52

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Solution

The fourth proportional to 108,616.41, 149,882.45 and 60,860.52 is: 83,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.41 : 149,882.45 = 60,860.52 : x
  2. Step 2: Convert to fraction form
    108,616.41/149,882.45 = 60,860.52/x
  3. Step 3: Cross multiply
    108,616.41x = 149,882.45 × 60,860.52
  4. Step 4: Simplify right side
    108,616.41x = 9,121,923,541.57
  5. Step 5: Solve for x
    x = 9,121,923,541.57/108,616.41
  6. Step 6: Final answer
    x = 83,982.92

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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.