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Finding the Fourth Proportional to 204,662.22, 280,388.28 and 196,991.94

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Solution

The fourth proportional to 204,662.22, 280,388.28 and 196,991.94 is: 269,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,662.22 : 280,388.28 = 196,991.94 : x
  2. Step 2: Convert to fraction form
    204,662.22/280,388.28 = 196,991.94/x
  3. Step 3: Cross multiply
    204,662.22x = 280,388.28 × 196,991.94
  4. Step 4: Simplify right side
    204,662.22x = 55,234,231,230.46
  5. Step 5: Solve for x
    x = 55,234,231,230.46/204,662.22
  6. Step 6: Final answer
    x = 269,879.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.