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Finding the Fourth Proportional to 204.16, 281.56 and 176.44

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Solution

The fourth proportional to 204.16, 281.56 and 176.44 is: 243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.16 : 281.56 = 176.44 : x
  2. Step 2: Convert to fraction form
    204.16/281.56 = 176.44/x
  3. Step 3: Cross multiply
    204.16x = 281.56 × 176.44
  4. Step 4: Simplify right side
    204.16x = 49,678.45
  5. Step 5: Solve for x
    x = 49,678.45/204.16
  6. Step 6: Final answer
    x = 243.33

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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.