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Finding the Fourth Proportional to 292.11, 403.16 and 167.75

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Solution

The fourth proportional to 292.11, 403.16 and 167.75 is: 231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.11 : 403.16 = 167.75 : x
  2. Step 2: Convert to fraction form
    292.11/403.16 = 167.75/x
  3. Step 3: Cross multiply
    292.11x = 403.16 × 167.75
  4. Step 4: Simplify right side
    292.11x = 67,627.24
  5. Step 5: Solve for x
    x = 67,627.24/292.11
  6. Step 6: Final answer
    x = 231.51

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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.