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Finding the Fourth Proportional to 129,885.92, 194,793.13 and 44,495.52

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Solution

The fourth proportional to 129,885.92, 194,793.13 and 44,495.52 is: 66,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,885.92 : 194,793.13 = 44,495.52 : x
  2. Step 2: Convert to fraction form
    129,885.92/194,793.13 = 44,495.52/x
  3. Step 3: Cross multiply
    129,885.92x = 194,793.13 × 44,495.52
  4. Step 4: Simplify right side
    129,885.92x = 8,667,421,611.78
  5. Step 5: Solve for x
    x = 8,667,421,611.78/129,885.92
  6. Step 6: Final answer
    x = 66,731.03

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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.