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Finding the Fourth Proportional to 100,570.60, 150,919.52 and 56,226.44

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Solution

The fourth proportional to 100,570.60, 150,919.52 and 56,226.44 is: 84,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570.60 : 150,919.52 = 56,226.44 : x
  2. Step 2: Convert to fraction form
    100,570.60/150,919.52 = 56,226.44/x
  3. Step 3: Cross multiply
    100,570.60x = 150,919.52 × 56,226.44
  4. Step 4: Simplify right side
    100,570.60x = 8,485,667,336.11
  5. Step 5: Solve for x
    x = 8,485,667,336.11/100,570.60
  6. Step 6: Final answer
    x = 84,375.23

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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.