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Finding the Fourth Proportional to 240,255.63, 331,553.37 and 131,367

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Solution

The fourth proportional to 240,255.63, 331,553.37 and 131,367 is: 181,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,255.63 : 331,553.37 = 131,367 : x
  2. Step 2: Convert to fraction form
    240,255.63/331,553.37 = 131,367/x
  3. Step 3: Cross multiply
    240,255.63x = 331,553.37 × 131,367
  4. Step 4: Simplify right side
    240,255.63x = 43,555,171,556.79
  5. Step 5: Solve for x
    x = 43,555,171,556.79/240,255.63
  6. Step 6: Final answer
    x = 181,286.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.