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Finding the Fourth Proportional to 95,732.95, 143,199.45 and 67,267.90

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Solution

The fourth proportional to 95,732.95, 143,199.45 and 67,267.90 is: 100,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,732.95 : 143,199.45 = 67,267.90 : x
  2. Step 2: Convert to fraction form
    95,732.95/143,199.45 = 67,267.90/x
  3. Step 3: Cross multiply
    95,732.95x = 143,199.45 × 67,267.90
  4. Step 4: Simplify right side
    95,732.95x = 9,632,726,377.20
  5. Step 5: Solve for x
    x = 9,632,726,377.20/95,732.95
  6. Step 6: Final answer
    x = 100,620.80

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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.