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Finding the Fourth Proportional to 177.35, 266.01 and 108.84

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Solution

The fourth proportional to 177.35, 266.01 and 108.84 is: 163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.35 : 266.01 = 108.84 : x
  2. Step 2: Convert to fraction form
    177.35/266.01 = 108.84/x
  3. Step 3: Cross multiply
    177.35x = 266.01 × 108.84
  4. Step 4: Simplify right side
    177.35x = 28,951.12
  5. Step 5: Solve for x
    x = 28,951.12/177.35
  6. Step 6: Final answer
    x = 163.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.