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Finding the Fourth Proportional to 79,344, 119,020.80 and 23,940.48

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Solution

The fourth proportional to 79,344, 119,020.80 and 23,940.48 is: 35,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344 : 119,020.80 = 23,940.48 : x
  2. Step 2: Convert to fraction form
    79,344/119,020.80 = 23,940.48/x
  3. Step 3: Cross multiply
    79,344x = 119,020.80 × 23,940.48
  4. Step 4: Simplify right side
    79,344x = 2,849,415,081.98
  5. Step 5: Solve for x
    x = 2,849,415,081.98/79,344
  6. Step 6: Final answer
    x = 35,912.17

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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.