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Finding the Fourth Proportional to 79,953.39, 119,930.67 and 27,363.33

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Solution

The fourth proportional to 79,953.39, 119,930.67 and 27,363.33 is: 41,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,953.39 : 119,930.67 = 27,363.33 : x
  2. Step 2: Convert to fraction form
    79,953.39/119,930.67 = 27,363.33/x
  3. Step 3: Cross multiply
    79,953.39x = 119,930.67 × 27,363.33
  4. Step 4: Simplify right side
    79,953.39x = 3,281,702,500.33
  5. Step 5: Solve for x
    x = 3,281,702,500.33/79,953.39
  6. Step 6: Final answer
    x = 41,045.20

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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.