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Finding the Fourth Proportional to 233.20, 349.73 and 168.00

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Solution

The fourth proportional to 233.20, 349.73 and 168.00 is: 251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.20 : 349.73 = 168.00 : x
  2. Step 2: Convert to fraction form
    233.20/349.73 = 168.00/x
  3. Step 3: Cross multiply
    233.20x = 349.73 × 168.00
  4. Step 4: Simplify right side
    233.20x = 58,753.63
  5. Step 5: Solve for x
    x = 58,753.63/233.20
  6. Step 6: Final answer
    x = 251.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.