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Finding the Fourth Proportional to 292.13, 403.10 and 167.79

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Solution

The fourth proportional to 292.13, 403.10 and 167.79 is: 231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.13 : 403.10 = 167.79 : x
  2. Step 2: Convert to fraction form
    292.13/403.10 = 167.79/x
  3. Step 3: Cross multiply
    292.13x = 403.10 × 167.79
  4. Step 4: Simplify right side
    292.13x = 67,635.31
  5. Step 5: Solve for x
    x = 67,635.31/292.13
  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.