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Finding the Fourth Proportional to 95,671.80, 132,209.15 and 71,756.96

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Solution

The fourth proportional to 95,671.80, 132,209.15 and 71,756.96 is: 99,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,671.80 : 132,209.15 = 71,756.96 : x
  2. Step 2: Convert to fraction form
    95,671.80/132,209.15 = 71,756.96/x
  3. Step 3: Cross multiply
    95,671.80x = 132,209.15 × 71,756.96
  4. Step 4: Simplify right side
    95,671.80x = 9,486,925,668.35
  5. Step 5: Solve for x
    x = 9,486,925,668.35/95,671.80
  6. Step 6: Final answer
    x = 99,161.15

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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.