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Finding the Fourth Proportional to 129,873.60, 194,715.36 and 41,077.44

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Solution

The fourth proportional to 129,873.60, 194,715.36 and 41,077.44 is: 61,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873.60 : 194,715.36 = 41,077.44 : x
  2. Step 2: Convert to fraction form
    129,873.60/194,715.36 = 41,077.44/x
  3. Step 3: Cross multiply
    129,873.60x = 194,715.36 × 41,077.44
  4. Step 4: Simplify right side
    129,873.60x = 7,998,408,517.48
  5. Step 5: Solve for x
    x = 7,998,408,517.48/129,873.60
  6. Step 6: Final answer
    x = 61,586.10

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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.