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Finding the Fourth Proportional to 194.68, 268.48 and 167.04

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Solution

The fourth proportional to 194.68, 268.48 and 167.04 is: 230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.68 : 268.48 = 167.04 : x
  2. Step 2: Convert to fraction form
    194.68/268.48 = 167.04/x
  3. Step 3: Cross multiply
    194.68x = 268.48 × 167.04
  4. Step 4: Simplify right side
    194.68x = 44,846.90
  5. Step 5: Solve for x
    x = 44,846.90/194.68
  6. Step 6: Final answer
    x = 230.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.