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Finding the Fourth Proportional to 109.01, 163.46 and 44.00

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Solution

The fourth proportional to 109.01, 163.46 and 44.00 is: 65.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.01 : 163.46 = 44.00 : x
  2. Step 2: Convert to fraction form
    109.01/163.46 = 44.00/x
  3. Step 3: Cross multiply
    109.01x = 163.46 × 44.00
  4. Step 4: Simplify right side
    109.01x = 7,191.20
  5. Step 5: Solve for x
    x = 7,191.20/109.01
  6. Step 6: Final answer
    x = 65.97

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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.