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Finding the Fourth Proportional to 226,589.90, 339,862.74 and 68,819.72

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Solution

The fourth proportional to 226,589.90, 339,862.74 and 68,819.72 is: 103,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,589.90 : 339,862.74 = 68,819.72 : x
  2. Step 2: Convert to fraction form
    226,589.90/339,862.74 = 68,819.72/x
  3. Step 3: Cross multiply
    226,589.90x = 339,862.74 × 68,819.72
  4. Step 4: Simplify right side
    226,589.90x = 23,389,258,605.23
  5. Step 5: Solve for x
    x = 23,389,258,605.23/226,589.90
  6. Step 6: Final answer
    x = 103,222.86

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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.