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Finding the Fourth Proportional to 236.04, 354.27 and 126.44

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Solution

The fourth proportional to 236.04, 354.27 and 126.44 is: 189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.04 : 354.27 = 126.44 : x
  2. Step 2: Convert to fraction form
    236.04/354.27 = 126.44/x
  3. Step 3: Cross multiply
    236.04x = 354.27 × 126.44
  4. Step 4: Simplify right side
    236.04x = 44,794.78
  5. Step 5: Solve for x
    x = 44,794.78/236.04
  6. Step 6: Final answer
    x = 189.78

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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.