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Finding the Fourth Proportional to 79,394.50, 119,092.02 and 23,990.50

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Solution

The fourth proportional to 79,394.50, 119,092.02 and 23,990.50 is: 35,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,394.50 : 119,092.02 = 23,990.50 : x
  2. Step 2: Convert to fraction form
    79,394.50/119,092.02 = 23,990.50/x
  3. Step 3: Cross multiply
    79,394.50x = 119,092.02 × 23,990.50
  4. Step 4: Simplify right side
    79,394.50x = 2,857,077,105.81
  5. Step 5: Solve for x
    x = 2,857,077,105.81/79,394.50
  6. Step 6: Final answer
    x = 35,985.83

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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.