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Finding the Fourth Proportional to 222,616.08, 333,923.96 and 54,135.28

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Solution

The fourth proportional to 222,616.08, 333,923.96 and 54,135.28 is: 81,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,616.08 : 333,923.96 = 54,135.28 : x
  2. Step 2: Convert to fraction form
    222,616.08/333,923.96 = 54,135.28/x
  3. Step 3: Cross multiply
    222,616.08x = 333,923.96 × 54,135.28
  4. Step 4: Simplify right side
    222,616.08x = 18,077,067,073.31
  5. Step 5: Solve for x
    x = 18,077,067,073.31/222,616.08
  6. Step 6: Final answer
    x = 81,202.88

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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.