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Finding the Fourth Proportional to 174.93, 262.37 and 53.27

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Solution

The fourth proportional to 174.93, 262.37 and 53.27 is: 79.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.93 : 262.37 = 53.27 : x
  2. Step 2: Convert to fraction form
    174.93/262.37 = 53.27/x
  3. Step 3: Cross multiply
    174.93x = 262.37 × 53.27
  4. Step 4: Simplify right side
    174.93x = 13,977.73
  5. Step 5: Solve for x
    x = 13,977.73/174.93
  6. Step 6: Final answer
    x = 79.91

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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.