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Finding the Fourth Proportional to 174.96, 262.55 and 106.62

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Solution

The fourth proportional to 174.96, 262.55 and 106.62 is: 159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.96 : 262.55 = 106.62 : x
  2. Step 2: Convert to fraction form
    174.96/262.55 = 106.62/x
  3. Step 3: Cross multiply
    174.96x = 262.55 × 106.62
  4. Step 4: Simplify right side
    174.96x = 27,992.36
  5. Step 5: Solve for x
    x = 27,992.36/174.96
  6. Step 6: Final answer
    x = 159.99

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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.