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Finding the Fourth Proportional to 162.75, 224.60 and 96.41

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Solution

The fourth proportional to 162.75, 224.60 and 96.41 is: 133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.75 : 224.60 = 96.41 : x
  2. Step 2: Convert to fraction form
    162.75/224.60 = 96.41/x
  3. Step 3: Cross multiply
    162.75x = 224.60 × 96.41
  4. Step 4: Simplify right side
    162.75x = 21,653.69
  5. Step 5: Solve for x
    x = 21,653.69/162.75
  6. Step 6: Final answer
    x = 133.05

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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.