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Finding the Fourth Proportional to 179.52, 267.80 and 167.09

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Solution

The fourth proportional to 179.52, 267.80 and 167.09 is: 249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.52 : 267.80 = 167.09 : x
  2. Step 2: Convert to fraction form
    179.52/267.80 = 167.09/x
  3. Step 3: Cross multiply
    179.52x = 267.80 × 167.09
  4. Step 4: Simplify right side
    179.52x = 44,746.70
  5. Step 5: Solve for x
    x = 44,746.70/179.52
  6. Step 6: Final answer
    x = 249.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.