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Finding the Fourth Proportional to 107,996.58, 149,034.87 and 60,249.96

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Solution

The fourth proportional to 107,996.58, 149,034.87 and 60,249.96 is: 83,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,996.58 : 149,034.87 = 60,249.96 : x
  2. Step 2: Convert to fraction form
    107,996.58/149,034.87 = 60,249.96/x
  3. Step 3: Cross multiply
    107,996.58x = 149,034.87 × 60,249.96
  4. Step 4: Simplify right side
    107,996.58x = 8,979,344,956.11
  5. Step 5: Solve for x
    x = 8,979,344,956.11/107,996.58
  6. Step 6: Final answer
    x = 83,144.72

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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.