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Finding the Fourth Proportional to 292.63, 403.82 and 168.29

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Solution

The fourth proportional to 292.63, 403.82 and 168.29 is: 232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.63 : 403.82 = 168.29 : x
  2. Step 2: Convert to fraction form
    292.63/403.82 = 168.29/x
  3. Step 3: Cross multiply
    292.63x = 403.82 × 168.29
  4. Step 4: Simplify right side
    292.63x = 67,958.87
  5. Step 5: Solve for x
    x = 67,958.87/292.63
  6. Step 6: Final answer
    x = 232.23

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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.