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Finding the Fourth Proportional to 69,350.96, 103,976.76 and 29,372.60

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Solution

The fourth proportional to 69,350.96, 103,976.76 and 29,372.60 is: 44,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.96 : 103,976.76 = 29,372.60 : x
  2. Step 2: Convert to fraction form
    69,350.96/103,976.76 = 29,372.60/x
  3. Step 3: Cross multiply
    69,350.96x = 103,976.76 × 29,372.60
  4. Step 4: Simplify right side
    69,350.96x = 3,054,067,780.78
  5. Step 5: Solve for x
    x = 3,054,067,780.78/69,350.96
  6. Step 6: Final answer
    x = 44,037.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.