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Finding the Fourth Proportional to 174.96, 262.08 and 166.32

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Solution

The fourth proportional to 174.96, 262.08 and 166.32 is: 249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.96 : 262.08 = 166.32 : x
  2. Step 2: Convert to fraction form
    174.96/262.08 = 166.32/x
  3. Step 3: Cross multiply
    174.96x = 262.08 × 166.32
  4. Step 4: Simplify right side
    174.96x = 43,589.15
  5. Step 5: Solve for x
    x = 43,589.15/174.96
  6. Step 6: Final answer
    x = 249.14

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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.