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Finding the Fourth Proportional to 69,182.40, 103,773.62 and 53,410.44

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Solution

The fourth proportional to 69,182.40, 103,773.62 and 53,410.44 is: 80,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.40 : 103,773.62 = 53,410.44 : x
  2. Step 2: Convert to fraction form
    69,182.40/103,773.62 = 53,410.44/x
  3. Step 3: Cross multiply
    69,182.40x = 103,773.62 × 53,410.44
  4. Step 4: Simplify right side
    69,182.40x = 5,542,594,704.59
  5. Step 5: Solve for x
    x = 5,542,594,704.59/69,182.40
  6. Step 6: Final answer
    x = 80,115.68

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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.