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Finding the Fourth Proportional to 269,250.80, 403,843.80 and 111,462.80

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Solution

The fourth proportional to 269,250.80, 403,843.80 and 111,462.80 is: 167,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,250.80 : 403,843.80 = 111,462.80 : x
  2. Step 2: Convert to fraction form
    269,250.80/403,843.80 = 111,462.80/x
  3. Step 3: Cross multiply
    269,250.80x = 403,843.80 × 111,462.80
  4. Step 4: Simplify right side
    269,250.80x = 45,013,560,710.64
  5. Step 5: Solve for x
    x = 45,013,560,710.64/269,250.80
  6. Step 6: Final answer
    x = 167,180.79

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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.