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Finding the Fourth Proportional to 266,249.39, 399,226.46 and 88,659.52

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Solution

The fourth proportional to 266,249.39, 399,226.46 and 88,659.52 is: 132,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,249.39 : 399,226.46 = 88,659.52 : x
  2. Step 2: Convert to fraction form
    266,249.39/399,226.46 = 88,659.52/x
  3. Step 3: Cross multiply
    266,249.39x = 399,226.46 × 88,659.52
  4. Step 4: Simplify right side
    266,249.39x = 35,395,224,873.54
  5. Step 5: Solve for x
    x = 35,395,224,873.54/266,249.39
  6. Step 6: Final answer
    x = 132,940.12

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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.