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Finding the Fourth Proportional to 198.48, 295.96 and 185.24

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Solution

The fourth proportional to 198.48, 295.96 and 185.24 is: 276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.48 : 295.96 = 185.24 : x
  2. Step 2: Convert to fraction form
    198.48/295.96 = 185.24/x
  3. Step 3: Cross multiply
    198.48x = 295.96 × 185.24
  4. Step 4: Simplify right side
    198.48x = 54,823.63
  5. Step 5: Solve for x
    x = 54,823.63/198.48
  6. Step 6: Final answer
    x = 276.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.