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Finding the Fourth Proportional to 149.98, 224.96 and 106.84

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Solution

The fourth proportional to 149.98, 224.96 and 106.84 is: 160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.98 : 224.96 = 106.84 : x
  2. Step 2: Convert to fraction form
    149.98/224.96 = 106.84/x
  3. Step 3: Cross multiply
    149.98x = 224.96 × 106.84
  4. Step 4: Simplify right side
    149.98x = 24,034.73
  5. Step 5: Solve for x
    x = 24,034.73/149.98
  6. Step 6: Final answer
    x = 160.25

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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.