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Finding the Fourth Proportional to 174.39, 261.60 and 97.44

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Solution

The fourth proportional to 174.39, 261.60 and 97.44 is: 146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.39 : 261.60 = 97.44 : x
  2. Step 2: Convert to fraction form
    174.39/261.60 = 97.44/x
  3. Step 3: Cross multiply
    174.39x = 261.60 × 97.44
  4. Step 4: Simplify right side
    174.39x = 25,490.30
  5. Step 5: Solve for x
    x = 25,490.30/174.39
  6. Step 6: Final answer
    x = 146.17

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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.