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Finding the Fourth Proportional to 150,481.11, 207,659.44 and 82,495.76

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Solution

The fourth proportional to 150,481.11, 207,659.44 and 82,495.76 is: 113,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,481.11 : 207,659.44 = 82,495.76 : x
  2. Step 2: Convert to fraction form
    150,481.11/207,659.44 = 82,495.76/x
  3. Step 3: Cross multiply
    150,481.11x = 207,659.44 × 82,495.76
  4. Step 4: Simplify right side
    150,481.11x = 17,131,023,324.86
  5. Step 5: Solve for x
    x = 17,131,023,324.86/150,481.11
  6. Step 6: Final answer
    x = 113,841.69

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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.