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Finding the Fourth Proportional to 167.44, 251.08 and 69.93

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Solution

The fourth proportional to 167.44, 251.08 and 69.93 is: 104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.44 : 251.08 = 69.93 : x
  2. Step 2: Convert to fraction form
    167.44/251.08 = 69.93/x
  3. Step 3: Cross multiply
    167.44x = 251.08 × 69.93
  4. Step 4: Simplify right side
    167.44x = 17,558.02
  5. Step 5: Solve for x
    x = 17,558.02/167.44
  6. Step 6: Final answer
    x = 104.86

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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.