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Finding the Fourth Proportional to 100,300.68, 150,449.50 and 24,399.78

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Solution

The fourth proportional to 100,300.68, 150,449.50 and 24,399.78 is: 36,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,300.68 : 150,449.50 = 24,399.78 : x
  2. Step 2: Convert to fraction form
    100,300.68/150,449.50 = 24,399.78/x
  3. Step 3: Cross multiply
    100,300.68x = 150,449.50 × 24,399.78
  4. Step 4: Simplify right side
    100,300.68x = 3,670,935,013.70
  5. Step 5: Solve for x
    x = 3,670,935,013.70/100,300.68
  6. Step 6: Final answer
    x = 36,599.30

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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.