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Finding the Fourth Proportional to 226,604.80, 339,908.16 and 68,834.56

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Solution

The fourth proportional to 226,604.80, 339,908.16 and 68,834.56 is: 103,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,604.80 : 339,908.16 = 68,834.56 : x
  2. Step 2: Convert to fraction form
    226,604.80/339,908.16 = 68,834.56/x
  3. Step 3: Cross multiply
    226,604.80x = 339,908.16 × 68,834.56
  4. Step 4: Simplify right side
    226,604.80x = 23,397,428,634.01
  5. Step 5: Solve for x
    x = 23,397,428,634.01/226,604.80
  6. Step 6: Final answer
    x = 103,252.13

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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.