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Finding the Fourth Proportional to 73,912.73, 110,952.02 and 29,570.40

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Solution

The fourth proportional to 73,912.73, 110,952.02 and 29,570.40 is: 44,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.73 : 110,952.02 = 29,570.40 : x
  2. Step 2: Convert to fraction form
    73,912.73/110,952.02 = 29,570.40/x
  3. Step 3: Cross multiply
    73,912.73x = 110,952.02 × 29,570.40
  4. Step 4: Simplify right side
    73,912.73x = 3,280,895,612.21
  5. Step 5: Solve for x
    x = 3,280,895,612.21/73,912.73
  6. Step 6: Final answer
    x = 44,388.78

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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.