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Finding the Fourth Proportional to 226,630, 339,952.20 and 68,859.84

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Solution

The fourth proportional to 226,630, 339,952.20 and 68,859.84 is: 103,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630 : 339,952.20 = 68,859.84 : x
  2. Step 2: Convert to fraction form
    226,630/339,952.20 = 68,859.84/x
  3. Step 3: Cross multiply
    226,630x = 339,952.20 × 68,859.84
  4. Step 4: Simplify right side
    226,630x = 23,409,054,099.65
  5. Step 5: Solve for x
    x = 23,409,054,099.65/226,630
  6. Step 6: Final answer
    x = 103,291.95

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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.