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Finding the Fourth Proportional to 198.16, 295.93 and 167.74

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Solution

The fourth proportional to 198.16, 295.93 and 167.74 is: 250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.16 : 295.93 = 167.74 : x
  2. Step 2: Convert to fraction form
    198.16/295.93 = 167.74/x
  3. Step 3: Cross multiply
    198.16x = 295.93 × 167.74
  4. Step 4: Simplify right side
    198.16x = 49,639.30
  5. Step 5: Solve for x
    x = 49,639.30/198.16
  6. Step 6: Final answer
    x = 250.50

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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.