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Finding the Fourth Proportional to 108,002, 149,026.92 and 60,251.60

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Solution

The fourth proportional to 108,002, 149,026.92 and 60,251.60 is: 83,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002 : 149,026.92 = 60,251.60 : x
  2. Step 2: Convert to fraction form
    108,002/149,026.92 = 60,251.60/x
  3. Step 3: Cross multiply
    108,002x = 149,026.92 × 60,251.60
  4. Step 4: Simplify right side
    108,002x = 8,979,110,373.07
  5. Step 5: Solve for x
    x = 8,979,110,373.07/108,002
  6. Step 6: Final answer
    x = 83,138.37

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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.