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Finding the Fourth Proportional to 79,927.92, 119,891.80 and 23,767.80

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Solution

The fourth proportional to 79,927.92, 119,891.80 and 23,767.80 is: 35,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,927.92 : 119,891.80 = 23,767.80 : x
  2. Step 2: Convert to fraction form
    79,927.92/119,891.80 = 23,767.80/x
  3. Step 3: Cross multiply
    79,927.92x = 119,891.80 × 23,767.80
  4. Step 4: Simplify right side
    79,927.92x = 2,849,564,324.04
  5. Step 5: Solve for x
    x = 2,849,564,324.04/79,927.92
  6. Step 6: Final answer
    x = 35,651.68

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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.