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Finding the Fourth Proportional to 226,561.95, 339,820.92 and 68,791.77

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Solution

The fourth proportional to 226,561.95, 339,820.92 and 68,791.77 is: 103,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,561.95 : 339,820.92 = 68,791.77 : x
  2. Step 2: Convert to fraction form
    226,561.95/339,820.92 = 68,791.77/x
  3. Step 3: Cross multiply
    226,561.95x = 339,820.92 × 68,791.77
  4. Step 4: Simplify right side
    226,561.95x = 23,376,882,569.83
  5. Step 5: Solve for x
    x = 23,376,882,569.83/226,561.95
  6. Step 6: Final answer
    x = 103,180.97

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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.