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Finding the Fourth Proportional to 222,241.20, 306,616.60 and 126,678.96

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Solution

The fourth proportional to 222,241.20, 306,616.60 and 126,678.96 is: 174,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,241.20 : 306,616.60 = 126,678.96 : x
  2. Step 2: Convert to fraction form
    222,241.20/306,616.60 = 126,678.96/x
  3. Step 3: Cross multiply
    222,241.20x = 306,616.60 × 126,678.96
  4. Step 4: Simplify right side
    222,241.20x = 38,841,872,006.74
  5. Step 5: Solve for x
    x = 38,841,872,006.74/222,241.20
  6. Step 6: Final answer
    x = 174,773.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.