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Finding the Fourth Proportional to 226,568.70, 339,766.65 and 68,744.70

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Solution

The fourth proportional to 226,568.70, 339,766.65 and 68,744.70 is: 103,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,568.70 : 339,766.65 = 68,744.70 : x
  2. Step 2: Convert to fraction form
    226,568.70/339,766.65 = 68,744.70/x
  3. Step 3: Cross multiply
    226,568.70x = 339,766.65 × 68,744.70
  4. Step 4: Simplify right side
    226,568.70x = 23,357,156,424.26
  5. Step 5: Solve for x
    x = 23,357,156,424.26/226,568.70
  6. Step 6: Final answer
    x = 103,090.83

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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.