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Finding the Fourth Proportional to 223,481.75, 335,433.29 and 81,464.29

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Solution

The fourth proportional to 223,481.75, 335,433.29 and 81,464.29 is: 122,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,481.75 : 335,433.29 = 81,464.29 : x
  2. Step 2: Convert to fraction form
    223,481.75/335,433.29 = 81,464.29/x
  3. Step 3: Cross multiply
    223,481.75x = 335,433.29 × 81,464.29
  4. Step 4: Simplify right side
    223,481.75x = 27,325,832,727.73
  5. Step 5: Solve for x
    x = 27,325,832,727.73/223,481.75
  6. Step 6: Final answer
    x = 122,273.22

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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.