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Finding the Fourth Proportional to 292.73, 404 and 168.43

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Solution

The fourth proportional to 292.73, 404 and 168.43 is: 232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.73 : 404 = 168.43 : x
  2. Step 2: Convert to fraction form
    292.73/404 = 168.43/x
  3. Step 3: Cross multiply
    292.73x = 404 × 168.43
  4. Step 4: Simplify right side
    292.73x = 68,045.72
  5. Step 5: Solve for x
    x = 68,045.72/292.73
  6. Step 6: Final answer
    x = 232.45

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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.