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Finding the Fourth Proportional to 226,074.80, 339,166.20 and 68,304.80

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Solution

The fourth proportional to 226,074.80, 339,166.20 and 68,304.80 is: 102,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,074.80 : 339,166.20 = 68,304.80 : x
  2. Step 2: Convert to fraction form
    226,074.80/339,166.20 = 68,304.80/x
  3. Step 3: Cross multiply
    226,074.80x = 339,166.20 × 68,304.80
  4. Step 4: Simplify right side
    226,074.80x = 23,166,679,457.76
  5. Step 5: Solve for x
    x = 23,166,679,457.76/226,074.80
  6. Step 6: Final answer
    x = 102,473.52

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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.