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Finding the Fourth Proportional to 162.96, 244.46 and 41.22

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Solution

The fourth proportional to 162.96, 244.46 and 41.22 is: 61.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.96 : 244.46 = 41.22 : x
  2. Step 2: Convert to fraction form
    162.96/244.46 = 41.22/x
  3. Step 3: Cross multiply
    162.96x = 244.46 × 41.22
  4. Step 4: Simplify right side
    162.96x = 10,077.05
  5. Step 5: Solve for x
    x = 10,077.05/162.96
  6. Step 6: Final answer
    x = 61.84

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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.