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Finding the Fourth Proportional to 69,150.44, 95,377.38 and 47,930.60

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Solution

The fourth proportional to 69,150.44, 95,377.38 and 47,930.60 is: 66,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,150.44 : 95,377.38 = 47,930.60 : x
  2. Step 2: Convert to fraction form
    69,150.44/95,377.38 = 47,930.60/x
  3. Step 3: Cross multiply
    69,150.44x = 95,377.38 × 47,930.60
  4. Step 4: Simplify right side
    69,150.44x = 4,571,495,049.83
  5. Step 5: Solve for x
    x = 4,571,495,049.83/69,150.44
  6. Step 6: Final answer
    x = 66,109.41

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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.