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Finding the Fourth Proportional to 175.90, 263.22 and 165.52

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Solution

The fourth proportional to 175.90, 263.22 and 165.52 is: 247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.90 : 263.22 = 165.52 : x
  2. Step 2: Convert to fraction form
    175.90/263.22 = 165.52/x
  3. Step 3: Cross multiply
    175.90x = 263.22 × 165.52
  4. Step 4: Simplify right side
    175.90x = 43,568.17
  5. Step 5: Solve for x
    x = 43,568.17/175.90
  6. Step 6: Final answer
    x = 247.69

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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.