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Finding the Fourth Proportional to 167.04, 251.46 and 119.28

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Solution

The fourth proportional to 167.04, 251.46 and 119.28 is: 179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.04 : 251.46 = 119.28 : x
  2. Step 2: Convert to fraction form
    167.04/251.46 = 119.28/x
  3. Step 3: Cross multiply
    167.04x = 251.46 × 119.28
  4. Step 4: Simplify right side
    167.04x = 29,994.15
  5. Step 5: Solve for x
    x = 29,994.15/167.04
  6. Step 6: Final answer
    x = 179.56

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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.