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Finding the Fourth Proportional to 148.63, 222.63 and 116.05

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Solution

The fourth proportional to 148.63, 222.63 and 116.05 is: 173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.63 : 222.63 = 116.05 : x
  2. Step 2: Convert to fraction form
    148.63/222.63 = 116.05/x
  3. Step 3: Cross multiply
    148.63x = 222.63 × 116.05
  4. Step 4: Simplify right side
    148.63x = 25,836.21
  5. Step 5: Solve for x
    x = 25,836.21/148.63
  6. Step 6: Final answer
    x = 173.83

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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.