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Finding the Fourth Proportional to 120,997.00, 166,976.00 and 67,280.86

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Solution

The fourth proportional to 120,997.00, 166,976.00 and 67,280.86 is: 92,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,997.00 : 166,976.00 = 67,280.86 : x
  2. Step 2: Convert to fraction form
    120,997.00/166,976.00 = 67,280.86/x
  3. Step 3: Cross multiply
    120,997.00x = 166,976.00 × 67,280.86
  4. Step 4: Simplify right side
    120,997.00x = 11,234,289,109.13
  5. Step 5: Solve for x
    x = 11,234,289,109.13/120,997.00
  6. Step 6: Final answer
    x = 92,847.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.