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Finding the Fourth Proportional to 100,447.92, 150,819.84 and 56,161.44

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Solution

The fourth proportional to 100,447.92, 150,819.84 and 56,161.44 is: 84,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,447.92 : 150,819.84 = 56,161.44 : x
  2. Step 2: Convert to fraction form
    100,447.92/150,819.84 = 56,161.44/x
  3. Step 3: Cross multiply
    100,447.92x = 150,819.84 × 56,161.44
  4. Step 4: Simplify right side
    100,447.92x = 8,470,259,394.97
  5. Step 5: Solve for x
    x = 8,470,259,394.97/100,447.92
  6. Step 6: Final answer
    x = 84,324.89

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1.5x scale

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.