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Finding the Fourth Proportional to 162.68, 224.54 and 104.44

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Solution

The fourth proportional to 162.68, 224.54 and 104.44 is: 144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.68 : 224.54 = 104.44 : x
  2. Step 2: Convert to fraction form
    162.68/224.54 = 104.44/x
  3. Step 3: Cross multiply
    162.68x = 224.54 × 104.44
  4. Step 4: Simplify right side
    162.68x = 23,450.96
  5. Step 5: Solve for x
    x = 23,450.96/162.68
  6. Step 6: Final answer
    x = 144.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.