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Finding the Fourth Proportional to 292.11, 403.11 and 167.82

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Solution

The fourth proportional to 292.11, 403.11 and 167.82 is: 231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.11 : 403.11 = 167.82 : x
  2. Step 2: Convert to fraction form
    292.11/403.11 = 167.82/x
  3. Step 3: Cross multiply
    292.11x = 403.11 × 167.82
  4. Step 4: Simplify right side
    292.11x = 67,649.92
  5. Step 5: Solve for x
    x = 67,649.92/292.11
  6. Step 6: Final answer
    x = 231.59

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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.