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Finding the Fourth Proportional to 174.73, 262.12 and 59.21

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Solution

The fourth proportional to 174.73, 262.12 and 59.21 is: 88.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.73 : 262.12 = 59.21 : x
  2. Step 2: Convert to fraction form
    174.73/262.12 = 59.21/x
  3. Step 3: Cross multiply
    174.73x = 262.12 × 59.21
  4. Step 4: Simplify right side
    174.73x = 15,520.13
  5. Step 5: Solve for x
    x = 15,520.13/174.73
  6. Step 6: Final answer
    x = 88.82

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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.