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Finding the Fourth Proportional to 168.37, 254.02 and 167.92

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Solution

The fourth proportional to 168.37, 254.02 and 167.92 is: 253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.37 : 254.02 = 167.92 : x
  2. Step 2: Convert to fraction form
    168.37/254.02 = 167.92/x
  3. Step 3: Cross multiply
    168.37x = 254.02 × 167.92
  4. Step 4: Simplify right side
    168.37x = 42,655.04
  5. Step 5: Solve for x
    x = 42,655.04/168.37
  6. Step 6: Final answer
    x = 253.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.