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Finding the Fourth Proportional to 175.50, 263.01 and 131.97

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Solution

The fourth proportional to 175.50, 263.01 and 131.97 is: 197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.50 : 263.01 = 131.97 : x
  2. Step 2: Convert to fraction form
    175.50/263.01 = 131.97/x
  3. Step 3: Cross multiply
    175.50x = 263.01 × 131.97
  4. Step 4: Simplify right side
    175.50x = 34,709.43
  5. Step 5: Solve for x
    x = 34,709.43/175.50
  6. Step 6: Final answer
    x = 197.77

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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.