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Finding the Fourth Proportional to 177.94, 244.28 and 163.36

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Solution

The fourth proportional to 177.94, 244.28 and 163.36 is: 224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.94 : 244.28 = 163.36 : x
  2. Step 2: Convert to fraction form
    177.94/244.28 = 163.36/x
  3. Step 3: Cross multiply
    177.94x = 244.28 × 163.36
  4. Step 4: Simplify right side
    177.94x = 39,905.58
  5. Step 5: Solve for x
    x = 39,905.58/177.94
  6. Step 6: Final answer
    x = 224.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.