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Finding the Fourth Proportional to 226,871.79, 339,713.15 and 159,949.59

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Solution

The fourth proportional to 226,871.79, 339,713.15 and 159,949.59 is: 239,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,871.79 : 339,713.15 = 159,949.59 : x
  2. Step 2: Convert to fraction form
    226,871.79/339,713.15 = 159,949.59/x
  3. Step 3: Cross multiply
    226,871.79x = 339,713.15 × 159,949.59
  4. Step 4: Simplify right side
    226,871.79x = 54,336,978,260.36
  5. Step 5: Solve for x
    x = 54,336,978,260.36/226,871.79
  6. Step 6: Final answer
    x = 239,505.22

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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.