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Finding the Fourth Proportional to 166,736.88, 250,152.03 and 66,967.11

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Solution

The fourth proportional to 166,736.88, 250,152.03 and 66,967.11 is: 100,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,736.88 : 250,152.03 = 66,967.11 : x
  2. Step 2: Convert to fraction form
    166,736.88/250,152.03 = 66,967.11/x
  3. Step 3: Cross multiply
    166,736.88x = 250,152.03 × 66,967.11
  4. Step 4: Simplify right side
    166,736.88x = 16,751,958,509.73
  5. Step 5: Solve for x
    x = 16,751,958,509.73/166,736.88
  6. Step 6: Final answer
    x = 100,469.43

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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.