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Finding the Fourth Proportional to 167.10, 248.97 and 156.62

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Solution

The fourth proportional to 167.10, 248.97 and 156.62 is: 233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.10 : 248.97 = 156.62 : x
  2. Step 2: Convert to fraction form
    167.10/248.97 = 156.62/x
  3. Step 3: Cross multiply
    167.10x = 248.97 × 156.62
  4. Step 4: Simplify right side
    167.10x = 38,994.05
  5. Step 5: Solve for x
    x = 38,994.05/167.10
  6. Step 6: Final answer
    x = 233.36

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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.