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Finding the Fourth Proportional to 175.25, 263.03 and 98.27

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Solution

The fourth proportional to 175.25, 263.03 and 98.27 is: 147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.25 : 263.03 = 98.27 : x
  2. Step 2: Convert to fraction form
    175.25/263.03 = 98.27/x
  3. Step 3: Cross multiply
    175.25x = 263.03 × 98.27
  4. Step 4: Simplify right side
    175.25x = 25,847.96
  5. Step 5: Solve for x
    x = 25,847.96/175.25
  6. Step 6: Final answer
    x = 147.49

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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.