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Finding the Fourth Proportional to 100,519.93, 150,735.61 and 47,227.05

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Solution

The fourth proportional to 100,519.93, 150,735.61 and 47,227.05 is: 70,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,519.93 : 150,735.61 = 47,227.05 : x
  2. Step 2: Convert to fraction form
    100,519.93/150,735.61 = 47,227.05/x
  3. Step 3: Cross multiply
    100,519.93x = 150,735.61 × 47,227.05
  4. Step 4: Simplify right side
    100,519.93x = 7,118,798,752.37
  5. Step 5: Solve for x
    x = 7,118,798,752.37/100,519.93
  6. Step 6: Final answer
    x = 70,819.78

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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.