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Finding the Fourth Proportional to 174.98, 262.38 and 93.98

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Solution

The fourth proportional to 174.98, 262.38 and 93.98 is: 140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.98 : 262.38 = 93.98 : x
  2. Step 2: Convert to fraction form
    174.98/262.38 = 93.98/x
  3. Step 3: Cross multiply
    174.98x = 262.38 × 93.98
  4. Step 4: Simplify right side
    174.98x = 24,658.47
  5. Step 5: Solve for x
    x = 24,658.47/174.98
  6. Step 6: Final answer
    x = 140.92

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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.