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Finding the Fourth Proportional to 79,486.35, 119,198.22 and 28,873.41

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Solution

The fourth proportional to 79,486.35, 119,198.22 and 28,873.41 is: 43,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,486.35 : 119,198.22 = 28,873.41 : x
  2. Step 2: Convert to fraction form
    79,486.35/119,198.22 = 28,873.41/x
  3. Step 3: Cross multiply
    79,486.35x = 119,198.22 × 28,873.41
  4. Step 4: Simplify right side
    79,486.35x = 3,441,659,077.33
  5. Step 5: Solve for x
    x = 3,441,659,077.33/79,486.35
  6. Step 6: Final answer
    x = 43,298.74

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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.