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Finding the Fourth Proportional to 100,481.84, 150,719.84 and 25,601.68

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Solution

The fourth proportional to 100,481.84, 150,719.84 and 25,601.68 is: 38,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,481.84 : 150,719.84 = 25,601.68 : x
  2. Step 2: Convert to fraction form
    100,481.84/150,719.84 = 25,601.68/x
  3. Step 3: Cross multiply
    100,481.84x = 150,719.84 × 25,601.68
  4. Step 4: Simplify right side
    100,481.84x = 3,858,681,113.33
  5. Step 5: Solve for x
    x = 3,858,681,113.33/100,481.84
  6. Step 6: Final answer
    x = 38,401.78

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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.