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Finding the Fourth Proportional to 73,794.66, 110,680.94 and 20,481.01

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Solution

The fourth proportional to 73,794.66, 110,680.94 and 20,481.01 is: 30,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,794.66 : 110,680.94 = 20,481.01 : x
  2. Step 2: Convert to fraction form
    73,794.66/110,680.94 = 20,481.01/x
  3. Step 3: Cross multiply
    73,794.66x = 110,680.94 × 20,481.01
  4. Step 4: Simplify right side
    73,794.66x = 2,266,857,438.95
  5. Step 5: Solve for x
    x = 2,266,857,438.95/73,794.66
  6. Step 6: Final answer
    x = 30,718.45

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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.