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Finding the Fourth Proportional to 174.97, 262.29 and 83.62

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Solution

The fourth proportional to 174.97, 262.29 and 83.62 is: 125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.97 : 262.29 = 83.62 : x
  2. Step 2: Convert to fraction form
    174.97/262.29 = 83.62/x
  3. Step 3: Cross multiply
    174.97x = 262.29 × 83.62
  4. Step 4: Simplify right side
    174.97x = 21,932.69
  5. Step 5: Solve for x
    x = 21,932.69/174.97
  6. Step 6: Final answer
    x = 125.35

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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.