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Finding the Fourth Proportional to 100,635.62, 150,944.61 and 34,074.23

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Solution

The fourth proportional to 100,635.62, 150,944.61 and 34,074.23 is: 51,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635.62 : 150,944.61 = 34,074.23 : x
  2. Step 2: Convert to fraction form
    100,635.62/150,944.61 = 34,074.23/x
  3. Step 3: Cross multiply
    100,635.62x = 150,944.61 × 34,074.23
  4. Step 4: Simplify right side
    100,635.62x = 5,143,321,358.40
  5. Step 5: Solve for x
    x = 5,143,321,358.40/100,635.62
  6. Step 6: Final answer
    x = 51,108.36

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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.