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Finding the Fourth Proportional to 69,930.54, 96,504.87 and 38,099.43

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Solution

The fourth proportional to 69,930.54, 96,504.87 and 38,099.43 is: 52,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.54 : 96,504.87 = 38,099.43 : x
  2. Step 2: Convert to fraction form
    69,930.54/96,504.87 = 38,099.43/x
  3. Step 3: Cross multiply
    69,930.54x = 96,504.87 × 38,099.43
  4. Step 4: Simplify right side
    69,930.54x = 3,676,780,539.22
  5. Step 5: Solve for x
    x = 3,676,780,539.22/69,930.54
  6. Step 6: Final answer
    x = 52,577.61

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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.