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Finding the Fourth Proportional to 108,363.97, 149,542.83 and 60,617.30

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Solution

The fourth proportional to 108,363.97, 149,542.83 and 60,617.30 is: 83,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.97 : 149,542.83 = 60,617.30 : x
  2. Step 2: Convert to fraction form
    108,363.97/149,542.83 = 60,617.30/x
  3. Step 3: Cross multiply
    108,363.97x = 149,542.83 × 60,617.30
  4. Step 4: Simplify right side
    108,363.97x = 9,064,882,285.87
  5. Step 5: Solve for x
    x = 9,064,882,285.87/108,363.97
  6. Step 6: Final answer
    x = 83,652.18

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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.