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Finding the Fourth Proportional to 236.54, 354.92 and 106.47

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Solution

The fourth proportional to 236.54, 354.92 and 106.47 is: 159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.54 : 354.92 = 106.47 : x
  2. Step 2: Convert to fraction form
    236.54/354.92 = 106.47/x
  3. Step 3: Cross multiply
    236.54x = 354.92 × 106.47
  4. Step 4: Simplify right side
    236.54x = 37,789.26
  5. Step 5: Solve for x
    x = 37,789.26/236.54
  6. Step 6: Final answer
    x = 159.76

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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.