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Finding the Fourth Proportional to 167.33, 250.74 and 142.83

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Solution

The fourth proportional to 167.33, 250.74 and 142.83 is: 214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.33 : 250.74 = 142.83 : x
  2. Step 2: Convert to fraction form
    167.33/250.74 = 142.83/x
  3. Step 3: Cross multiply
    167.33x = 250.74 × 142.83
  4. Step 4: Simplify right side
    167.33x = 35,813.19
  5. Step 5: Solve for x
    x = 35,813.19/167.33
  6. Step 6: Final answer
    x = 214.02

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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.