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Finding the Fourth Proportional to 173.26, 261.52 and 173.26

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Solution

The fourth proportional to 173.26, 261.52 and 173.26 is: 261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.26 : 261.52 = 173.26 : x
  2. Step 2: Convert to fraction form
    173.26/261.52 = 173.26/x
  3. Step 3: Cross multiply
    173.26x = 261.52 × 173.26
  4. Step 4: Simplify right side
    173.26x = 45,310.96
  5. Step 5: Solve for x
    x = 45,310.96/173.26
  6. Step 6: Final answer
    x = 261.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.