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Finding the Fourth Proportional to 80,464.56, 119,846.82 and 76,249.14

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Solution

The fourth proportional to 80,464.56, 119,846.82 and 76,249.14 is: 113,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,464.56 : 119,846.82 = 76,249.14 : x
  2. Step 2: Convert to fraction form
    80,464.56/119,846.82 = 76,249.14/x
  3. Step 3: Cross multiply
    80,464.56x = 119,846.82 × 76,249.14
  4. Step 4: Simplify right side
    80,464.56x = 9,138,216,956.73
  5. Step 5: Solve for x
    x = 9,138,216,956.73/80,464.56
  6. Step 6: Final answer
    x = 113,568.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.