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Finding the Fourth Proportional to 324,550.26, 486,849.69 and 100,066.86

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Solution

The fourth proportional to 324,550.26, 486,849.69 and 100,066.86 is: 150,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,550.26 : 486,849.69 = 100,066.86 : x
  2. Step 2: Convert to fraction form
    324,550.26/486,849.69 = 100,066.86/x
  3. Step 3: Cross multiply
    324,550.26x = 486,849.69 × 100,066.86
  4. Step 4: Simplify right side
    324,550.26x = 48,717,519,770.27
  5. Step 5: Solve for x
    x = 48,717,519,770.27/324,550.26
  6. Step 6: Final answer
    x = 150,107.78

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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.