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Finding the Fourth Proportional to 95,481.86, 143,310.31 and 51,158.66

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Solution

The fourth proportional to 95,481.86, 143,310.31 and 51,158.66 is: 76,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,481.86 : 143,310.31 = 51,158.66 : x
  2. Step 2: Convert to fraction form
    95,481.86/143,310.31 = 51,158.66/x
  3. Step 3: Cross multiply
    95,481.86x = 143,310.31 × 51,158.66
  4. Step 4: Simplify right side
    95,481.86x = 7,331,563,423.78
  5. Step 5: Solve for x
    x = 7,331,563,423.78/95,481.86
  6. Step 6: Final answer
    x = 76,784.88

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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.