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Finding the Fourth Proportional to 226,661.30, 339,977.37 and 68,891.12

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Solution

The fourth proportional to 226,661.30, 339,977.37 and 68,891.12 is: 103,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,661.30 : 339,977.37 = 68,891.12 : x
  2. Step 2: Convert to fraction form
    226,661.30/339,977.37 = 68,891.12/x
  3. Step 3: Cross multiply
    226,661.30x = 339,977.37 × 68,891.12
  4. Step 4: Simplify right side
    226,661.30x = 23,421,421,793.95
  5. Step 5: Solve for x
    x = 23,421,421,793.95/226,661.30
  6. Step 6: Final answer
    x = 103,332.25

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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.