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Finding the Fourth Proportional to 166,213.88, 248,691.99 and 101,942.54

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Solution

The fourth proportional to 166,213.88, 248,691.99 and 101,942.54 is: 152,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,213.88 : 248,691.99 = 101,942.54 : x
  2. Step 2: Convert to fraction form
    166,213.88/248,691.99 = 101,942.54/x
  3. Step 3: Cross multiply
    166,213.88x = 248,691.99 × 101,942.54
  4. Step 4: Simplify right side
    166,213.88x = 25,352,293,138.25
  5. Step 5: Solve for x
    x = 25,352,293,138.25/166,213.88
  6. Step 6: Final answer
    x = 152,528.14

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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.