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Finding the Fourth Proportional to 175.98, 263.87 and 147.27

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Solution

The fourth proportional to 175.98, 263.87 and 147.27 is: 220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.98 : 263.87 = 147.27 : x
  2. Step 2: Convert to fraction form
    175.98/263.87 = 147.27/x
  3. Step 3: Cross multiply
    175.98x = 263.87 × 147.27
  4. Step 4: Simplify right side
    175.98x = 38,860.13
  5. Step 5: Solve for x
    x = 38,860.13/175.98
  6. Step 6: Final answer
    x = 220.82

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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.