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Finding the Fourth Proportional to 174.82, 262.32 and 117.14

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Solution

The fourth proportional to 174.82, 262.32 and 117.14 is: 175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.82 : 262.32 = 117.14 : x
  2. Step 2: Convert to fraction form
    174.82/262.32 = 117.14/x
  3. Step 3: Cross multiply
    174.82x = 262.32 × 117.14
  4. Step 4: Simplify right side
    174.82x = 30,728.16
  5. Step 5: Solve for x
    x = 30,728.16/174.82
  6. Step 6: Final answer
    x = 175.77

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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.