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Finding the Fourth Proportional to 269,163.11, 403,744.61 and 79,608.71

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Solution

The fourth proportional to 269,163.11, 403,744.61 and 79,608.71 is: 119,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,163.11 : 403,744.61 = 79,608.71 : x
  2. Step 2: Convert to fraction form
    269,163.11/403,744.61 = 79,608.71/x
  3. Step 3: Cross multiply
    269,163.11x = 403,744.61 × 79,608.71
  4. Step 4: Simplify right side
    269,163.11x = 32,141,585,154.79
  5. Step 5: Solve for x
    x = 32,141,585,154.79/269,163.11
  6. Step 6: Final answer
    x = 119,413.04

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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.