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Finding the Fourth Proportional to 80,981.92, 111,754.30 and 44,683.70

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Solution

The fourth proportional to 80,981.92, 111,754.30 and 44,683.70 is: 61,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,981.92 : 111,754.30 = 44,683.70 : x
  2. Step 2: Convert to fraction form
    80,981.92/111,754.30 = 44,683.70/x
  3. Step 3: Cross multiply
    80,981.92x = 111,754.30 × 44,683.70
  4. Step 4: Simplify right side
    80,981.92x = 4,993,595,614.91
  5. Step 5: Solve for x
    x = 4,993,595,614.91/80,981.92
  6. Step 6: Final answer
    x = 61,663.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.