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Finding the Fourth Proportional to 365.34, 547.92 and 108.84

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Solution

The fourth proportional to 365.34, 547.92 and 108.84 is: 163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.34 : 547.92 = 108.84 : x
  2. Step 2: Convert to fraction form
    365.34/547.92 = 108.84/x
  3. Step 3: Cross multiply
    365.34x = 547.92 × 108.84
  4. Step 4: Simplify right side
    365.34x = 59,635.61
  5. Step 5: Solve for x
    x = 59,635.61/365.34
  6. Step 6: Final answer
    x = 163.23

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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.