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Finding the Fourth Proportional to 95,673.80, 132,211.90 and 71,758.96

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Solution

The fourth proportional to 95,673.80, 132,211.90 and 71,758.96 is: 99,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,673.80 : 132,211.90 = 71,758.96 : x
  2. Step 2: Convert to fraction form
    95,673.80/132,211.90 = 71,758.96/x
  3. Step 3: Cross multiply
    95,673.80x = 132,211.90 × 71,758.96
  4. Step 4: Simplify right side
    95,673.80x = 9,487,388,443.62
  5. Step 5: Solve for x
    x = 9,487,388,443.62/95,673.80
  6. Step 6: Final answer
    x = 99,163.91

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1.5x scale

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.