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Finding the Fourth Proportional to 73,757.44, 101,785.44 and 40,225.60

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Solution

The fourth proportional to 73,757.44, 101,785.44 and 40,225.60 is: 55,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,757.44 : 101,785.44 = 40,225.60 : x
  2. Step 2: Convert to fraction form
    73,757.44/101,785.44 = 40,225.60/x
  3. Step 3: Cross multiply
    73,757.44x = 101,785.44 × 40,225.60
  4. Step 4: Simplify right side
    73,757.44x = 4,094,380,395.26
  5. Step 5: Solve for x
    x = 4,094,380,395.26/73,757.44
  6. Step 6: Final answer
    x = 55,511.42

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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.