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Finding the Fourth Proportional to 100,552.80, 150,849.45 and 29,475.30

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Solution

The fourth proportional to 100,552.80, 150,849.45 and 29,475.30 is: 44,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,552.80 : 150,849.45 = 29,475.30 : x
  2. Step 2: Convert to fraction form
    100,552.80/150,849.45 = 29,475.30/x
  3. Step 3: Cross multiply
    100,552.80x = 150,849.45 × 29,475.30
  4. Step 4: Simplify right side
    100,552.80x = 4,446,332,793.59
  5. Step 5: Solve for x
    x = 4,446,332,793.59/100,552.80
  6. Step 6: Final answer
    x = 44,218.89

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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.