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Finding the Fourth Proportional to 74,162.88, 111,049.92 and 50,834.88

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Solution

The fourth proportional to 74,162.88, 111,049.92 and 50,834.88 is: 76,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,162.88 : 111,049.92 = 50,834.88 : x
  2. Step 2: Convert to fraction form
    74,162.88/111,049.92 = 50,834.88/x
  3. Step 3: Cross multiply
    74,162.88x = 111,049.92 × 50,834.88
  4. Step 4: Simplify right side
    74,162.88x = 5,645,209,357.21
  5. Step 5: Solve for x
    x = 5,645,209,357.21/74,162.88
  6. Step 6: Final answer
    x = 76,119.07

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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.