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Finding the Fourth Proportional to 162,793.80, 243,996.30 and 68,023.80

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Solution

The fourth proportional to 162,793.80, 243,996.30 and 68,023.80 is: 101,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.80 : 243,996.30 = 68,023.80 : x
  2. Step 2: Convert to fraction form
    162,793.80/243,996.30 = 68,023.80/x
  3. Step 3: Cross multiply
    162,793.80x = 243,996.30 × 68,023.80
  4. Step 4: Simplify right side
    162,793.80x = 16,597,555,511.94
  5. Step 5: Solve for x
    x = 16,597,555,511.94/162,793.80
  6. Step 6: Final answer
    x = 101,954.47

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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.