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Finding the Fourth Proportional to 177.20, 265.82 and 96

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Solution

The fourth proportional to 177.20, 265.82 and 96 is: 144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.20 : 265.82 = 96 : x
  2. Step 2: Convert to fraction form
    177.20/265.82 = 96/x
  3. Step 3: Cross multiply
    177.20x = 265.82 × 96
  4. Step 4: Simplify right side
    177.20x = 25,518.72
  5. Step 5: Solve for x
    x = 25,518.72/177.20
  6. Step 6: Final answer
    x = 144.01

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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.