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Finding the Fourth Proportional to 169.01, 253.64 and 167.73

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Solution

The fourth proportional to 169.01, 253.64 and 167.73 is: 251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.01 : 253.64 = 167.73 : x
  2. Step 2: Convert to fraction form
    169.01/253.64 = 167.73/x
  3. Step 3: Cross multiply
    169.01x = 253.64 × 167.73
  4. Step 4: Simplify right side
    169.01x = 42,542.20
  5. Step 5: Solve for x
    x = 42,542.20/169.01
  6. Step 6: Final answer
    x = 251.72

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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.