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Finding the Fourth Proportional to 351.62, 527.33 and 108.08

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Solution

The fourth proportional to 351.62, 527.33 and 108.08 is: 162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.62 : 527.33 = 108.08 : x
  2. Step 2: Convert to fraction form
    351.62/527.33 = 108.08/x
  3. Step 3: Cross multiply
    351.62x = 527.33 × 108.08
  4. Step 4: Simplify right side
    351.62x = 56,993.83
  5. Step 5: Solve for x
    x = 56,993.83/351.62
  6. Step 6: Final answer
    x = 162.09

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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.