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Finding the Fourth Proportional to 292.80, 404.03 and 168.44

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Solution

The fourth proportional to 292.80, 404.03 and 168.44 is: 232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.80 : 404.03 = 168.44 : x
  2. Step 2: Convert to fraction form
    292.80/404.03 = 168.44/x
  3. Step 3: Cross multiply
    292.80x = 404.03 × 168.44
  4. Step 4: Simplify right side
    292.80x = 68,053.21
  5. Step 5: Solve for x
    x = 68,053.21/292.80
  6. Step 6: Final answer
    x = 232.42

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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.