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Finding the Fourth Proportional to 161,481.89, 222,843.39 and 89,860.68

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Solution

The fourth proportional to 161,481.89, 222,843.39 and 89,860.68 is: 124,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,481.89 : 222,843.39 = 89,860.68 : x
  2. Step 2: Convert to fraction form
    161,481.89/222,843.39 = 89,860.68/x
  3. Step 3: Cross multiply
    161,481.89x = 222,843.39 × 89,860.68
  4. Step 4: Simplify right side
    161,481.89x = 20,024,858,558.91
  5. Step 5: Solve for x
    x = 20,024,858,558.91/161,481.89
  6. Step 6: Final answer
    x = 124,006.84

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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.