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Finding the Fourth Proportional to 166,996.80, 250,495.20 and 161,091.90

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Solution

The fourth proportional to 166,996.80, 250,495.20 and 161,091.90 is: 241,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,996.80 : 250,495.20 = 161,091.90 : x
  2. Step 2: Convert to fraction form
    166,996.80/250,495.20 = 161,091.90/x
  3. Step 3: Cross multiply
    166,996.80x = 250,495.20 × 161,091.90
  4. Step 4: Simplify right side
    166,996.80x = 40,352,747,708.88
  5. Step 5: Solve for x
    x = 40,352,747,708.88/166,996.80
  6. Step 6: Final answer
    x = 241,637.85

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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.