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Finding the Fourth Proportional to 80,359.26, 110,896.78 and 46,374.80

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Solution

The fourth proportional to 80,359.26, 110,896.78 and 46,374.80 is: 63,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,359.26 : 110,896.78 = 46,374.80 : x
  2. Step 2: Convert to fraction form
    80,359.26/110,896.78 = 46,374.80/x
  3. Step 3: Cross multiply
    80,359.26x = 110,896.78 × 46,374.80
  4. Step 4: Simplify right side
    80,359.26x = 5,142,815,993.14
  5. Step 5: Solve for x
    x = 5,142,815,993.14/80,359.26
  6. Step 6: Final answer
    x = 63,997.80

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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.