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Finding the Fourth Proportional to 281,236.62, 388,046.52 and 166,551.29

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Solution

The fourth proportional to 281,236.62, 388,046.52 and 166,551.29 is: 229,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,236.62 : 388,046.52 = 166,551.29 : x
  2. Step 2: Convert to fraction form
    281,236.62/388,046.52 = 166,551.29/x
  3. Step 3: Cross multiply
    281,236.62x = 388,046.52 × 166,551.29
  4. Step 4: Simplify right side
    281,236.62x = 64,629,646,545.78
  5. Step 5: Solve for x
    x = 64,629,646,545.78/281,236.62
  6. Step 6: Final answer
    x = 229,805.23

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Why These Related Problems?

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