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Finding the Fourth Proportional to 174.16, 261.46 and 116.75

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Solution

The fourth proportional to 174.16, 261.46 and 116.75 is: 175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.16 : 261.46 = 116.75 : x
  2. Step 2: Convert to fraction form
    174.16/261.46 = 116.75/x
  3. Step 3: Cross multiply
    174.16x = 261.46 × 116.75
  4. Step 4: Simplify right side
    174.16x = 30,523.86
  5. Step 5: Solve for x
    x = 30,523.86/174.16
  6. Step 6: Final answer
    x = 175.27

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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.