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Finding the Fourth Proportional to 222,408.80, 333,613.20 and 133,616.60

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Solution

The fourth proportional to 222,408.80, 333,613.20 and 133,616.60 is: 200,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.80 : 333,613.20 = 133,616.60 : x
  2. Step 2: Convert to fraction form
    222,408.80/333,613.20 = 133,616.60/x
  3. Step 3: Cross multiply
    222,408.80x = 333,613.20 × 133,616.60
  4. Step 4: Simplify right side
    222,408.80x = 44,576,261,499.12
  5. Step 5: Solve for x
    x = 44,576,261,499.12/222,408.80
  6. Step 6: Final answer
    x = 200,424.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.