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Finding the Fourth Proportional to 292.62, 403.76 and 168.27

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Solution

The fourth proportional to 292.62, 403.76 and 168.27 is: 232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.62 : 403.76 = 168.27 : x
  2. Step 2: Convert to fraction form
    292.62/403.76 = 168.27/x
  3. Step 3: Cross multiply
    292.62x = 403.76 × 168.27
  4. Step 4: Simplify right side
    292.62x = 67,938.68
  5. Step 5: Solve for x
    x = 67,938.68/292.62
  6. Step 6: Final answer
    x = 232.18

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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.