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Finding the Fourth Proportional to 164.92, 227.44 and 112.44

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Solution

The fourth proportional to 164.92, 227.44 and 112.44 is: 155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.92 : 227.44 = 112.44 : x
  2. Step 2: Convert to fraction form
    164.92/227.44 = 112.44/x
  3. Step 3: Cross multiply
    164.92x = 227.44 × 112.44
  4. Step 4: Simplify right side
    164.92x = 25,573.35
  5. Step 5: Solve for x
    x = 25,573.35/164.92
  6. Step 6: Final answer
    x = 155.07

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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.