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Finding the Fourth Proportional to 57,155.60, 85,819.80 and 44,022.80

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Solution

The fourth proportional to 57,155.60, 85,819.80 and 44,022.80 is: 66,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.60 : 85,819.80 = 44,022.80 : x
  2. Step 2: Convert to fraction form
    57,155.60/85,819.80 = 44,022.80/x
  3. Step 3: Cross multiply
    57,155.60x = 85,819.80 × 44,022.80
  4. Step 4: Simplify right side
    57,155.60x = 3,778,027,891.44
  5. Step 5: Solve for x
    x = 3,778,027,891.44/57,155.60
  6. Step 6: Final answer
    x = 66,100.75

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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.