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Finding the Fourth Proportional to 204.49, 282.01 and 173.48

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Solution

The fourth proportional to 204.49, 282.01 and 173.48 is: 239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.49 : 282.01 = 173.48 : x
  2. Step 2: Convert to fraction form
    204.49/282.01 = 173.48/x
  3. Step 3: Cross multiply
    204.49x = 282.01 × 173.48
  4. Step 4: Simplify right side
    204.49x = 48,923.09
  5. Step 5: Solve for x
    x = 48,923.09/204.49
  6. Step 6: Final answer
    x = 239.24

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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.