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Finding the Fourth Proportional to 174.71, 262.00 and 71.95

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Solution

The fourth proportional to 174.71, 262.00 and 71.95 is: 107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.71 : 262.00 = 71.95 : x
  2. Step 2: Convert to fraction form
    174.71/262.00 = 71.95/x
  3. Step 3: Cross multiply
    174.71x = 262.00 × 71.95
  4. Step 4: Simplify right side
    174.71x = 18,849.98
  5. Step 5: Solve for x
    x = 18,849.98/174.71
  6. Step 6: Final answer
    x = 107.89

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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.