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Finding the Fourth Proportional to 167.53, 250.20 and 133.33

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Solution

The fourth proportional to 167.53, 250.20 and 133.33 is: 199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.53 : 250.20 = 133.33 : x
  2. Step 2: Convert to fraction form
    167.53/250.20 = 133.33/x
  3. Step 3: Cross multiply
    167.53x = 250.20 × 133.33
  4. Step 4: Simplify right side
    167.53x = 33,359.17
  5. Step 5: Solve for x
    x = 33,359.17/167.53
  6. Step 6: Final answer
    x = 199.12

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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.