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Finding the Fourth Proportional to 71,366.58, 98,481.69 and 39,094.80

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Solution

The fourth proportional to 71,366.58, 98,481.69 and 39,094.80 is: 53,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.58 : 98,481.69 = 39,094.80 : x
  2. Step 2: Convert to fraction form
    71,366.58/98,481.69 = 39,094.80/x
  3. Step 3: Cross multiply
    71,366.58x = 98,481.69 × 39,094.80
  4. Step 4: Simplify right side
    71,366.58x = 3,850,121,974.21
  5. Step 5: Solve for x
    x = 3,850,121,974.21/71,366.58
  6. Step 6: Final answer
    x = 53,948.53

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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.