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Finding the Fourth Proportional to 131,499.44, 197,229.72 and 48,374

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Solution

The fourth proportional to 131,499.44, 197,229.72 and 48,374 is: 72,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,499.44 : 197,229.72 = 48,374 : x
  2. Step 2: Convert to fraction form
    131,499.44/197,229.72 = 48,374/x
  3. Step 3: Cross multiply
    131,499.44x = 197,229.72 × 48,374
  4. Step 4: Simplify right side
    131,499.44x = 9,540,790,475.28
  5. Step 5: Solve for x
    x = 9,540,790,475.28/131,499.44
  6. Step 6: Final answer
    x = 72,553.85

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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.