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Finding the Fourth Proportional to 100,025.28, 150,022.80 and 29,910.60

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Solution

The fourth proportional to 100,025.28, 150,022.80 and 29,910.60 is: 44,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,025.28 : 150,022.80 = 29,910.60 : x
  2. Step 2: Convert to fraction form
    100,025.28/150,022.80 = 29,910.60/x
  3. Step 3: Cross multiply
    100,025.28x = 150,022.80 × 29,910.60
  4. Step 4: Simplify right side
    100,025.28x = 4,487,271,961.68
  5. Step 5: Solve for x
    x = 4,487,271,961.68/100,025.28
  6. Step 6: Final answer
    x = 44,861.38

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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.