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Finding the Fourth Proportional to 194.02, 290.49 and 167.02

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Solution

The fourth proportional to 194.02, 290.49 and 167.02 is: 250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.02 : 290.49 = 167.02 : x
  2. Step 2: Convert to fraction form
    194.02/290.49 = 167.02/x
  3. Step 3: Cross multiply
    194.02x = 290.49 × 167.02
  4. Step 4: Simplify right side
    194.02x = 48,517.64
  5. Step 5: Solve for x
    x = 48,517.64/194.02
  6. Step 6: Final answer
    x = 250.07

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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.