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Finding the Fourth Proportional to 73,930.44, 110,892.42 and 21,342.12

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Solution

The fourth proportional to 73,930.44, 110,892.42 and 21,342.12 is: 32,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,930.44 : 110,892.42 = 21,342.12 : x
  2. Step 2: Convert to fraction form
    73,930.44/110,892.42 = 21,342.12/x
  3. Step 3: Cross multiply
    73,930.44x = 110,892.42 × 21,342.12
  4. Step 4: Simplify right side
    73,930.44x = 2,366,679,334.73
  5. Step 5: Solve for x
    x = 2,366,679,334.73/73,930.44
  6. Step 6: Final answer
    x = 32,012.24

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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.