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Finding the Fourth Proportional to 108,007.62, 149,058 and 60,270.30

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Solution

The fourth proportional to 108,007.62, 149,058 and 60,270.30 is: 83,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,007.62 : 149,058 = 60,270.30 : x
  2. Step 2: Convert to fraction form
    108,007.62/149,058 = 60,270.30/x
  3. Step 3: Cross multiply
    108,007.62x = 149,058 × 60,270.30
  4. Step 4: Simplify right side
    108,007.62x = 8,983,770,377.40
  5. Step 5: Solve for x
    x = 8,983,770,377.40/108,007.62
  6. Step 6: Final answer
    x = 83,177.19

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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.