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Finding the Fourth Proportional to 222,971.20, 334,456.80 and 73,234.60

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Solution

The fourth proportional to 222,971.20, 334,456.80 and 73,234.60 is: 109,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,971.20 : 334,456.80 = 73,234.60 : x
  2. Step 2: Convert to fraction form
    222,971.20/334,456.80 = 73,234.60/x
  3. Step 3: Cross multiply
    222,971.20x = 334,456.80 × 73,234.60
  4. Step 4: Simplify right side
    222,971.20x = 24,493,809,965.28
  5. Step 5: Solve for x
    x = 24,493,809,965.28/222,971.20
  6. Step 6: Final answer
    x = 109,851.90

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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.