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Finding the Fourth Proportional to 292.73, 403.96 and 168.41

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Solution

The fourth proportional to 292.73, 403.96 and 168.41 is: 232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.73 : 403.96 = 168.41 : x
  2. Step 2: Convert to fraction form
    292.73/403.96 = 168.41/x
  3. Step 3: Cross multiply
    292.73x = 403.96 × 168.41
  4. Step 4: Simplify right side
    292.73x = 68,030.90
  5. Step 5: Solve for x
    x = 68,030.90/292.73
  6. Step 6: Final answer
    x = 232.40

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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.