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Finding the Fourth Proportional to 236.52, 326.10 and 149.04

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Solution

The fourth proportional to 236.52, 326.10 and 149.04 is: 205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.52 : 326.10 = 149.04 : x
  2. Step 2: Convert to fraction form
    236.52/326.10 = 149.04/x
  3. Step 3: Cross multiply
    236.52x = 326.10 × 149.04
  4. Step 4: Simplify right side
    236.52x = 48,601.94
  5. Step 5: Solve for x
    x = 48,601.94/236.52
  6. Step 6: Final answer
    x = 205.49

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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.