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Finding the Fourth Proportional to 162.63, 244.35 and 108.88

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Solution

The fourth proportional to 162.63, 244.35 and 108.88 is: 163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.63 : 244.35 = 108.88 : x
  2. Step 2: Convert to fraction form
    162.63/244.35 = 108.88/x
  3. Step 3: Cross multiply
    162.63x = 244.35 × 108.88
  4. Step 4: Simplify right side
    162.63x = 26,604.22
  5. Step 5: Solve for x
    x = 26,604.22/162.63
  6. Step 6: Final answer
    x = 163.59

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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.