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Finding the Fourth Proportional to 236.44, 354.61 and 106.41

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Solution

The fourth proportional to 236.44, 354.61 and 106.41 is: 159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.44 : 354.61 = 106.41 : x
  2. Step 2: Convert to fraction form
    236.44/354.61 = 106.41/x
  3. Step 3: Cross multiply
    236.44x = 354.61 × 106.41
  4. Step 4: Simplify right side
    236.44x = 37,735.51
  5. Step 5: Solve for x
    x = 37,735.51/236.44
  6. Step 6: Final answer
    x = 159.60

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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.