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Finding the Fourth Proportional to 107,998.98, 149,035.71 and 60,251.10

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Solution

The fourth proportional to 107,998.98, 149,035.71 and 60,251.10 is: 83,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.98 : 149,035.71 = 60,251.10 : x
  2. Step 2: Convert to fraction form
    107,998.98/149,035.71 = 60,251.10/x
  3. Step 3: Cross multiply
    107,998.98x = 149,035.71 × 60,251.10
  4. Step 4: Simplify right side
    107,998.98x = 8,979,565,466.78
  5. Step 5: Solve for x
    x = 8,979,565,466.78/107,998.98
  6. Step 6: Final answer
    x = 83,144.91

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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.