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Finding the Fourth Proportional to 177.46, 244.97 and 118.48

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Solution

The fourth proportional to 177.46, 244.97 and 118.48 is: 163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.46 : 244.97 = 118.48 : x
  2. Step 2: Convert to fraction form
    177.46/244.97 = 118.48/x
  3. Step 3: Cross multiply
    177.46x = 244.97 × 118.48
  4. Step 4: Simplify right side
    177.46x = 29,024.05
  5. Step 5: Solve for x
    x = 29,024.05/177.46
  6. Step 6: Final answer
    x = 163.55

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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.