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Finding the Fourth Proportional to 95,156.64, 131,311.80 and 52,135.92

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Solution

The fourth proportional to 95,156.64, 131,311.80 and 52,135.92 is: 71,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156.64 : 131,311.80 = 52,135.92 : x
  2. Step 2: Convert to fraction form
    95,156.64/131,311.80 = 52,135.92/x
  3. Step 3: Cross multiply
    95,156.64x = 131,311.80 × 52,135.92
  4. Step 4: Simplify right side
    95,156.64x = 6,846,061,499.86
  5. Step 5: Solve for x
    x = 6,846,061,499.86/95,156.64
  6. Step 6: Final answer
    x = 71,945.18

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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.