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Finding the Fourth Proportional to 231,846.80, 347,251.80 and 179,085.20

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Solution

The fourth proportional to 231,846.80, 347,251.80 and 179,085.20 is: 268,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,846.80 : 347,251.80 = 179,085.20 : x
  2. Step 2: Convert to fraction form
    231,846.80/347,251.80 = 179,085.20/x
  3. Step 3: Cross multiply
    231,846.80x = 347,251.80 × 179,085.20
  4. Step 4: Simplify right side
    231,846.80x = 62,187,658,053.36
  5. Step 5: Solve for x
    x = 62,187,658,053.36/231,846.80
  6. Step 6: Final answer
    x = 268,227.37

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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.