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Finding the Fourth Proportional to 174.71, 262.04 and 83.46

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Solution

The fourth proportional to 174.71, 262.04 and 83.46 is: 125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.71 : 262.04 = 83.46 : x
  2. Step 2: Convert to fraction form
    174.71/262.04 = 83.46/x
  3. Step 3: Cross multiply
    174.71x = 262.04 × 83.46
  4. Step 4: Simplify right side
    174.71x = 21,869.44
  5. Step 5: Solve for x
    x = 21,869.44/174.71
  6. Step 6: Final answer
    x = 125.18

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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.