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Finding the Fourth Proportional to 292.08, 403.11 and 167.76

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Solution

The fourth proportional to 292.08, 403.11 and 167.76 is: 231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.08 : 403.11 = 167.76 : x
  2. Step 2: Convert to fraction form
    292.08/403.11 = 167.76/x
  3. Step 3: Cross multiply
    292.08x = 403.11 × 167.76
  4. Step 4: Simplify right side
    292.08x = 67,625.73
  5. Step 5: Solve for x
    x = 67,625.73/292.08
  6. Step 6: Final answer
    x = 231.53

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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.