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Finding the Fourth Proportional to 184,997.80, 277,375.20 and 72,610.30

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Solution

The fourth proportional to 184,997.80, 277,375.20 and 72,610.30 is: 108,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,997.80 : 277,375.20 = 72,610.30 : x
  2. Step 2: Convert to fraction form
    184,997.80/277,375.20 = 72,610.30/x
  3. Step 3: Cross multiply
    184,997.80x = 277,375.20 × 72,610.30
  4. Step 4: Simplify right side
    184,997.80x = 20,140,296,484.56
  5. Step 5: Solve for x
    x = 20,140,296,484.56/184,997.80
  6. Step 6: Final answer
    x = 108,867.76

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1.5x scale

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.