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Finding the Fourth Proportional to 202.25, 302.69 and 167.63

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Solution

The fourth proportional to 202.25, 302.69 and 167.63 is: 250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.25 : 302.69 = 167.63 : x
  2. Step 2: Convert to fraction form
    202.25/302.69 = 167.63/x
  3. Step 3: Cross multiply
    202.25x = 302.69 × 167.63
  4. Step 4: Simplify right side
    202.25x = 50,737.57
  5. Step 5: Solve for x
    x = 50,737.57/202.25
  6. Step 6: Final answer
    x = 250.87

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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.