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Finding the Fourth Proportional to 275.54, 380.16 and 164.97

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Solution

The fourth proportional to 275.54, 380.16 and 164.97 is: 227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.54 : 380.16 = 164.97 : x
  2. Step 2: Convert to fraction form
    275.54/380.16 = 164.97/x
  3. Step 3: Cross multiply
    275.54x = 380.16 × 164.97
  4. Step 4: Simplify right side
    275.54x = 62,715.00
  5. Step 5: Solve for x
    x = 62,715.00/275.54
  6. Step 6: Final answer
    x = 227.61

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