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Finding the Fourth Proportional to 174.93, 262.38 and 106.44

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Solution

The fourth proportional to 174.93, 262.38 and 106.44 is: 159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.93 : 262.38 = 106.44 : x
  2. Step 2: Convert to fraction form
    174.93/262.38 = 106.44/x
  3. Step 3: Cross multiply
    174.93x = 262.38 × 106.44
  4. Step 4: Simplify right side
    174.93x = 27,926.42
  5. Step 5: Solve for x
    x = 27,926.42/174.93
  6. Step 6: Final answer
    x = 159.64

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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.