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Finding the Fourth Proportional to 179,791.23, 269,716.11 and 67,480.28

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Solution

The fourth proportional to 179,791.23, 269,716.11 and 67,480.28 is: 101,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.23 : 269,716.11 = 67,480.28 : x
  2. Step 2: Convert to fraction form
    179,791.23/269,716.11 = 67,480.28/x
  3. Step 3: Cross multiply
    179,791.23x = 269,716.11 × 67,480.28
  4. Step 4: Simplify right side
    179,791.23x = 18,200,518,623.31
  5. Step 5: Solve for x
    x = 18,200,518,623.31/179,791.23
  6. Step 6: Final answer
    x = 101,231.40

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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.