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Finding the Fourth Proportional to 236.52, 354.66 and 92.22

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Solution

The fourth proportional to 236.52, 354.66 and 92.22 is: 138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.52 : 354.66 = 92.22 : x
  2. Step 2: Convert to fraction form
    236.52/354.66 = 92.22/x
  3. Step 3: Cross multiply
    236.52x = 354.66 × 92.22
  4. Step 4: Simplify right side
    236.52x = 32,706.75
  5. Step 5: Solve for x
    x = 32,706.75/236.52
  6. Step 6: Final answer
    x = 138.28

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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.