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Finding the Fourth Proportional to 71,600.80, 98,826.97 and 41,403.54

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Solution

The fourth proportional to 71,600.80, 98,826.97 and 41,403.54 is: 57,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.80 : 98,826.97 = 41,403.54 : x
  2. Step 2: Convert to fraction form
    71,600.80/98,826.97 = 41,403.54/x
  3. Step 3: Cross multiply
    71,600.80x = 98,826.97 × 41,403.54
  4. Step 4: Simplify right side
    71,600.80x = 4,091,786,405.47
  5. Step 5: Solve for x
    x = 4,091,786,405.47/71,600.80
  6. Step 6: Final answer
    x = 57,147.22

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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.