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Finding the Fourth Proportional to 275,221.44, 412,860.50 and 95,306.52

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Solution

The fourth proportional to 275,221.44, 412,860.50 and 95,306.52 is: 142,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,221.44 : 412,860.50 = 95,306.52 : x
  2. Step 2: Convert to fraction form
    275,221.44/412,860.50 = 95,306.52/x
  3. Step 3: Cross multiply
    275,221.44x = 412,860.50 × 95,306.52
  4. Step 4: Simplify right side
    275,221.44x = 39,348,297,738.73
  5. Step 5: Solve for x
    x = 39,348,297,738.73/275,221.44
  6. Step 6: Final answer
    x = 142,969.59

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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.