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Finding the Fourth Proportional to 226,574.12, 339,839.10 and 68,803.94

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Solution

The fourth proportional to 226,574.12, 339,839.10 and 68,803.94 is: 103,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,574.12 : 339,839.10 = 68,803.94 : x
  2. Step 2: Convert to fraction form
    226,574.12/339,839.10 = 68,803.94/x
  3. Step 3: Cross multiply
    226,574.12x = 339,839.10 × 68,803.94
  4. Step 4: Simplify right side
    226,574.12x = 23,382,269,046.05
  5. Step 5: Solve for x
    x = 23,382,269,046.05/226,574.12
  6. Step 6: Final answer
    x = 103,199.20

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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.