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Finding the Fourth Proportional to 79,874.80, 119,791.70 and 23,701.63

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Solution

The fourth proportional to 79,874.80, 119,791.70 and 23,701.63 is: 35,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,874.80 : 119,791.70 = 23,701.63 : x
  2. Step 2: Convert to fraction form
    79,874.80/119,791.70 = 23,701.63/x
  3. Step 3: Cross multiply
    79,874.80x = 119,791.70 × 23,701.63
  4. Step 4: Simplify right side
    79,874.80x = 2,839,257,833.00
  5. Step 5: Solve for x
    x = 2,839,257,833.00/79,874.80
  6. Step 6: Final answer
    x = 35,546.36

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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.