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Finding the Fourth Proportional to 174.16, 261.42 and 168.04

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Solution

The fourth proportional to 174.16, 261.42 and 168.04 is: 252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.16 : 261.42 = 168.04 : x
  2. Step 2: Convert to fraction form
    174.16/261.42 = 168.04/x
  3. Step 3: Cross multiply
    174.16x = 261.42 × 168.04
  4. Step 4: Simplify right side
    174.16x = 43,929.02
  5. Step 5: Solve for x
    x = 43,929.02/174.16
  6. Step 6: Final answer
    x = 252.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.