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Finding the Fourth Proportional to 75,932.72, 113,861.84 and 44,350.72

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Solution

The fourth proportional to 75,932.72, 113,861.84 and 44,350.72 is: 66,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.72 : 113,861.84 = 44,350.72 : x
  2. Step 2: Convert to fraction form
    75,932.72/113,861.84 = 44,350.72/x
  3. Step 3: Cross multiply
    75,932.72x = 113,861.84 × 44,350.72
  4. Step 4: Simplify right side
    75,932.72x = 5,049,854,584.52
  5. Step 5: Solve for x
    x = 5,049,854,584.52/75,932.72
  6. Step 6: Final answer
    x = 66,504.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.