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Finding the Fourth Proportional to 177.69, 266.62 and 96.41

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Solution

The fourth proportional to 177.69, 266.62 and 96.41 is: 144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.69 : 266.62 = 96.41 : x
  2. Step 2: Convert to fraction form
    177.69/266.62 = 96.41/x
  3. Step 3: Cross multiply
    177.69x = 266.62 × 96.41
  4. Step 4: Simplify right side
    177.69x = 25,704.35
  5. Step 5: Solve for x
    x = 25,704.35/177.69
  6. Step 6: Final answer
    x = 144.66

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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.