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Finding the Fourth Proportional to 162.96, 244.25 and 134.19

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Solution

The fourth proportional to 162.96, 244.25 and 134.19 is: 201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.96 : 244.25 = 134.19 : x
  2. Step 2: Convert to fraction form
    162.96/244.25 = 134.19/x
  3. Step 3: Cross multiply
    162.96x = 244.25 × 134.19
  4. Step 4: Simplify right side
    162.96x = 32,775.24
  5. Step 5: Solve for x
    x = 32,775.24/162.96
  6. Step 6: Final answer
    x = 201.12

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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.