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Finding the Fourth Proportional to 71,410.67, 98,542.91 and 41,194.20

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Solution

The fourth proportional to 71,410.67, 98,542.91 and 41,194.20 is: 56,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.67 : 98,542.91 = 41,194.20 : x
  2. Step 2: Convert to fraction form
    71,410.67/98,542.91 = 41,194.20/x
  3. Step 3: Cross multiply
    71,410.67x = 98,542.91 × 41,194.20
  4. Step 4: Simplify right side
    71,410.67x = 4,059,396,137.15
  5. Step 5: Solve for x
    x = 4,059,396,137.15/71,410.67
  6. Step 6: Final answer
    x = 56,845.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.