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Finding the Fourth Proportional to 236.94, 355.02 and 168.33

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Solution

The fourth proportional to 236.94, 355.02 and 168.33 is: 252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.94 : 355.02 = 168.33 : x
  2. Step 2: Convert to fraction form
    236.94/355.02 = 168.33/x
  3. Step 3: Cross multiply
    236.94x = 355.02 × 168.33
  4. Step 4: Simplify right side
    236.94x = 59,759.22
  5. Step 5: Solve for x
    x = 59,759.22/236.94
  6. Step 6: Final answer
    x = 252.21

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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.