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Finding the Fourth Proportional to 100,162.82, 150,025.86 and 50,155.70

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Solution

The fourth proportional to 100,162.82, 150,025.86 and 50,155.70 is: 75,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,162.82 : 150,025.86 = 50,155.70 : x
  2. Step 2: Convert to fraction form
    100,162.82/150,025.86 = 50,155.70/x
  3. Step 3: Cross multiply
    100,162.82x = 150,025.86 × 50,155.70
  4. Step 4: Simplify right side
    100,162.82x = 7,524,652,026.40
  5. Step 5: Solve for x
    x = 7,524,652,026.40/100,162.82
  6. Step 6: Final answer
    x = 75,124.20

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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.