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Finding the Fourth Proportional to 164.60, 227.24 and 109.44

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Solution

The fourth proportional to 164.60, 227.24 and 109.44 is: 151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.60 : 227.24 = 109.44 : x
  2. Step 2: Convert to fraction form
    164.60/227.24 = 109.44/x
  3. Step 3: Cross multiply
    164.60x = 227.24 × 109.44
  4. Step 4: Simplify right side
    164.60x = 24,869.15
  5. Step 5: Solve for x
    x = 24,869.15/164.60
  6. Step 6: Final answer
    x = 151.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.