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Finding the Fourth Proportional to 177.56, 244.76 and 118.44

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Solution

The fourth proportional to 177.56, 244.76 and 118.44 is: 163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.56 : 244.76 = 118.44 : x
  2. Step 2: Convert to fraction form
    177.56/244.76 = 118.44/x
  3. Step 3: Cross multiply
    177.56x = 244.76 × 118.44
  4. Step 4: Simplify right side
    177.56x = 28,989.37
  5. Step 5: Solve for x
    x = 28,989.37/177.56
  6. Step 6: Final answer
    x = 163.27

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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.