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Finding the Fourth Proportional to 100,199.56, 150,350.78 and 44,078.71

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Solution

The fourth proportional to 100,199.56, 150,350.78 and 44,078.71 is: 66,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,199.56 : 150,350.78 = 44,078.71 : x
  2. Step 2: Convert to fraction form
    100,199.56/150,350.78 = 44,078.71/x
  3. Step 3: Cross multiply
    100,199.56x = 150,350.78 × 44,078.71
  4. Step 4: Simplify right side
    100,199.56x = 6,627,268,429.89
  5. Step 5: Solve for x
    x = 6,627,268,429.89/100,199.56
  6. Step 6: Final answer
    x = 66,140.69

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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.