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Finding the Fourth Proportional to 73,299.91, 109,960.35 and 23,380.57

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Solution

The fourth proportional to 73,299.91, 109,960.35 and 23,380.57 is: 35,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,299.91 : 109,960.35 = 23,380.57 : x
  2. Step 2: Convert to fraction form
    73,299.91/109,960.35 = 23,380.57/x
  3. Step 3: Cross multiply
    73,299.91x = 109,960.35 × 23,380.57
  4. Step 4: Simplify right side
    73,299.91x = 2,570,935,660.40
  5. Step 5: Solve for x
    x = 2,570,935,660.40/73,299.91
  6. Step 6: Final answer
    x = 35,074.20

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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.