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Finding the Fourth Proportional to 167.59, 250.16 and 148.15

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Solution

The fourth proportional to 167.59, 250.16 and 148.15 is: 221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.59 : 250.16 = 148.15 : x
  2. Step 2: Convert to fraction form
    167.59/250.16 = 148.15/x
  3. Step 3: Cross multiply
    167.59x = 250.16 × 148.15
  4. Step 4: Simplify right side
    167.59x = 37,062.73
  5. Step 5: Solve for x
    x = 37,062.73/167.59
  6. Step 6: Final answer
    x = 221.15

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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.