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Finding the Fourth Proportional to 236.13, 353.94 and 114.23

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Solution

The fourth proportional to 236.13, 353.94 and 114.23 is: 171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.13 : 353.94 = 114.23 : x
  2. Step 2: Convert to fraction form
    236.13/353.94 = 114.23/x
  3. Step 3: Cross multiply
    236.13x = 353.94 × 114.23
  4. Step 4: Simplify right side
    236.13x = 40,429.97
  5. Step 5: Solve for x
    x = 40,429.97/236.13
  6. Step 6: Final answer
    x = 171.22

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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.