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Finding the Fourth Proportional to 226,634, 339,958.20 and 68,863.84

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Solution

The fourth proportional to 226,634, 339,958.20 and 68,863.84 is: 103,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,634 : 339,958.20 = 68,863.84 : x
  2. Step 2: Convert to fraction form
    226,634/339,958.20 = 68,863.84/x
  3. Step 3: Cross multiply
    226,634x = 339,958.20 × 68,863.84
  4. Step 4: Simplify right side
    226,634x = 23,410,827,091.49
  5. Step 5: Solve for x
    x = 23,410,827,091.49/226,634
  6. Step 6: Final answer
    x = 103,297.95

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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.