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Finding the Fourth Proportional to 129,884.92, 194,791.64 and 44,494.52

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Solution

The fourth proportional to 129,884.92, 194,791.64 and 44,494.52 is: 66,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,884.92 : 194,791.64 = 44,494.52 : x
  2. Step 2: Convert to fraction form
    129,884.92/194,791.64 = 44,494.52/x
  3. Step 3: Cross multiply
    129,884.92x = 194,791.64 × 44,494.52
  4. Step 4: Simplify right side
    129,884.92x = 8,667,159,325.38
  5. Step 5: Solve for x
    x = 8,667,159,325.38/129,884.92
  6. Step 6: Final answer
    x = 66,729.53

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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.