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Finding the Fourth Proportional to 236.56, 355.01 and 92.32

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Solution

The fourth proportional to 236.56, 355.01 and 92.32 is: 138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.56 : 355.01 = 92.32 : x
  2. Step 2: Convert to fraction form
    236.56/355.01 = 92.32/x
  3. Step 3: Cross multiply
    236.56x = 355.01 × 92.32
  4. Step 4: Simplify right side
    236.56x = 32,774.52
  5. Step 5: Solve for x
    x = 32,774.52/236.56
  6. Step 6: Final answer
    x = 138.55

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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.