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Finding the Fourth Proportional to 270,550.67, 405,825.66 and 108,517.86

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Solution

The fourth proportional to 270,550.67, 405,825.66 and 108,517.86 is: 162,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,550.67 : 405,825.66 = 108,517.86 : x
  2. Step 2: Convert to fraction form
    270,550.67/405,825.66 = 108,517.86/x
  3. Step 3: Cross multiply
    270,550.67x = 405,825.66 × 108,517.86
  4. Step 4: Simplify right side
    270,550.67x = 44,039,332,156.29
  5. Step 5: Solve for x
    x = 44,039,332,156.29/270,550.67
  6. Step 6: Final answer
    x = 162,776.65

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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.