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Finding the Fourth Proportional to 73,711.91, 101,722.47 and 41,880.85

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Solution

The fourth proportional to 73,711.91, 101,722.47 and 41,880.85 is: 57,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,711.91 : 101,722.47 = 41,880.85 : x
  2. Step 2: Convert to fraction form
    73,711.91/101,722.47 = 41,880.85/x
  3. Step 3: Cross multiply
    73,711.91x = 101,722.47 × 41,880.85
  4. Step 4: Simplify right side
    73,711.91x = 4,260,223,298.30
  5. Step 5: Solve for x
    x = 4,260,223,298.30/73,711.91
  6. Step 6: Final answer
    x = 57,795.59

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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.