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Finding the Fourth Proportional to 104,311.56, 156,410.82 and 36,809.76

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Solution

The fourth proportional to 104,311.56, 156,410.82 and 36,809.76 is: 55,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,311.56 : 156,410.82 = 36,809.76 : x
  2. Step 2: Convert to fraction form
    104,311.56/156,410.82 = 36,809.76/x
  3. Step 3: Cross multiply
    104,311.56x = 156,410.82 × 36,809.76
  4. Step 4: Simplify right side
    104,311.56x = 5,757,444,745.60
  5. Step 5: Solve for x
    x = 5,757,444,745.60/104,311.56
  6. Step 6: Final answer
    x = 55,194.70

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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.