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Finding the Fourth Proportional to 173.18, 260.14 and 167.42

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Solution

The fourth proportional to 173.18, 260.14 and 167.42 is: 251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.18 : 260.14 = 167.42 : x
  2. Step 2: Convert to fraction form
    173.18/260.14 = 167.42/x
  3. Step 3: Cross multiply
    173.18x = 260.14 × 167.42
  4. Step 4: Simplify right side
    173.18x = 43,552.64
  5. Step 5: Solve for x
    x = 43,552.64/173.18
  6. Step 6: Final answer
    x = 251.49

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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.