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Finding the Fourth Proportional to 264,659.45, 396,765.99 and 114,786.86

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Solution

The fourth proportional to 264,659.45, 396,765.99 and 114,786.86 is: 172,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,659.45 : 396,765.99 = 114,786.86 : x
  2. Step 2: Convert to fraction form
    264,659.45/396,765.99 = 114,786.86/x
  3. Step 3: Cross multiply
    264,659.45x = 396,765.99 × 114,786.86
  4. Step 4: Simplify right side
    264,659.45x = 45,543,520,163.06
  5. Step 5: Solve for x
    x = 45,543,520,163.06/264,659.45
  6. Step 6: Final answer
    x = 172,083.49

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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.