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Finding the Fourth Proportional to 95,672.80, 132,210.53 and 71,757.96

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Solution

The fourth proportional to 95,672.80, 132,210.53 and 71,757.96 is: 99,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,672.80 : 132,210.53 = 71,757.96 : x
  2. Step 2: Convert to fraction form
    95,672.80/132,210.53 = 71,757.96/x
  3. Step 3: Cross multiply
    95,672.80x = 132,210.53 × 71,757.96
  4. Step 4: Simplify right side
    95,672.80x = 9,487,157,923.32
  5. Step 5: Solve for x
    x = 9,487,157,923.32/95,672.80
  6. Step 6: Final answer
    x = 99,162.54

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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.