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Finding the Fourth Proportional to 163.27, 245.04 and 109.27

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Solution

The fourth proportional to 163.27, 245.04 and 109.27 is: 164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.27 : 245.04 = 109.27 : x
  2. Step 2: Convert to fraction form
    163.27/245.04 = 109.27/x
  3. Step 3: Cross multiply
    163.27x = 245.04 × 109.27
  4. Step 4: Simplify right side
    163.27x = 26,775.52
  5. Step 5: Solve for x
    x = 26,775.52/163.27
  6. Step 6: Final answer
    x = 164.00

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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.