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Finding the Fourth Proportional to 164.96, 227.33 and 123.41

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Solution

The fourth proportional to 164.96, 227.33 and 123.41 is: 170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.96 : 227.33 = 123.41 : x
  2. Step 2: Convert to fraction form
    164.96/227.33 = 123.41/x
  3. Step 3: Cross multiply
    164.96x = 227.33 × 123.41
  4. Step 4: Simplify right side
    164.96x = 28,054.80
  5. Step 5: Solve for x
    x = 28,054.80/164.96
  6. Step 6: Final answer
    x = 170.07

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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.