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Finding the Fourth Proportional to 73,834.65, 101,891.79 and 40,300.65

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Solution

The fourth proportional to 73,834.65, 101,891.79 and 40,300.65 is: 55,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,834.65 : 101,891.79 = 40,300.65 : x
  2. Step 2: Convert to fraction form
    73,834.65/101,891.79 = 40,300.65/x
  3. Step 3: Cross multiply
    73,834.65x = 101,891.79 × 40,300.65
  4. Step 4: Simplify right side
    73,834.65x = 4,106,305,366.66
  5. Step 5: Solve for x
    x = 4,106,305,366.66/73,834.65
  6. Step 6: Final answer
    x = 55,614.88

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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.