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Finding the Fourth Proportional to 95,245.38, 131,431.44 and 52,218

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Solution

The fourth proportional to 95,245.38, 131,431.44 and 52,218 is: 72,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,245.38 : 131,431.44 = 52,218 : x
  2. Step 2: Convert to fraction form
    95,245.38/131,431.44 = 52,218/x
  3. Step 3: Cross multiply
    95,245.38x = 131,431.44 × 52,218
  4. Step 4: Simplify right side
    95,245.38x = 6,863,086,933.92
  5. Step 5: Solve for x
    x = 6,863,086,933.92/95,245.38
  6. Step 6: Final answer
    x = 72,056.90

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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.