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Finding the Fourth Proportional to 226,062.20, 338,801.70 and 173,209.70

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Solution

The fourth proportional to 226,062.20, 338,801.70 and 173,209.70 is: 259,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,062.20 : 338,801.70 = 173,209.70 : x
  2. Step 2: Convert to fraction form
    226,062.20/338,801.70 = 173,209.70/x
  3. Step 3: Cross multiply
    226,062.20x = 338,801.70 × 173,209.70
  4. Step 4: Simplify right side
    226,062.20x = 58,683,740,816.49
  5. Step 5: Solve for x
    x = 58,683,740,816.49/226,062.20
  6. Step 6: Final answer
    x = 259,591.12

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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.