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Finding the Fourth Proportional to 351.57, 527.41 and 108.10

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Solution

The fourth proportional to 351.57, 527.41 and 108.10 is: 162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.57 : 527.41 = 108.10 : x
  2. Step 2: Convert to fraction form
    351.57/527.41 = 108.10/x
  3. Step 3: Cross multiply
    351.57x = 527.41 × 108.10
  4. Step 4: Simplify right side
    351.57x = 57,011.93
  5. Step 5: Solve for x
    x = 57,011.93/351.57
  6. Step 6: Final answer
    x = 162.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.