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Finding the Fourth Proportional to 203,794.73, 281,245.52 and 113,150.71

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Solution

The fourth proportional to 203,794.73, 281,245.52 and 113,150.71 is: 156,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,794.73 : 281,245.52 = 113,150.71 : x
  2. Step 2: Convert to fraction form
    203,794.73/281,245.52 = 113,150.71/x
  3. Step 3: Cross multiply
    203,794.73x = 281,245.52 × 113,150.71
  4. Step 4: Simplify right side
    203,794.73x = 31,823,129,874.78
  5. Step 5: Solve for x
    x = 31,823,129,874.78/203,794.73
  6. Step 6: Final answer
    x = 156,152.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.