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Finding the Fourth Proportional to 112,591.26, 168,844.52 and 45,995.80

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Solution

The fourth proportional to 112,591.26, 168,844.52 and 45,995.80 is: 68,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,591.26 : 168,844.52 = 45,995.80 : x
  2. Step 2: Convert to fraction form
    112,591.26/168,844.52 = 45,995.80/x
  3. Step 3: Cross multiply
    112,591.26x = 168,844.52 × 45,995.80
  4. Step 4: Simplify right side
    112,591.26x = 7,766,138,773.02
  5. Step 5: Solve for x
    x = 7,766,138,773.02/112,591.26
  6. Step 6: Final answer
    x = 68,976.39

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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.