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Finding the Fourth Proportional to 73,753.44, 110,627.31 and 21,162.93

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Solution

The fourth proportional to 73,753.44, 110,627.31 and 21,162.93 is: 31,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753.44 : 110,627.31 = 21,162.93 : x
  2. Step 2: Convert to fraction form
    73,753.44/110,627.31 = 21,162.93/x
  3. Step 3: Cross multiply
    73,753.44x = 110,627.31 × 21,162.93
  4. Step 4: Simplify right side
    73,753.44x = 2,341,198,017.62
  5. Step 5: Solve for x
    x = 2,341,198,017.62/73,753.44
  6. Step 6: Final answer
    x = 31,743.58

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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.