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Finding the Fourth Proportional to 79,805.43, 119,707.88 and 23,645.97

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Solution

The fourth proportional to 79,805.43, 119,707.88 and 23,645.97 is: 35,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.43 : 119,707.88 = 23,645.97 : x
  2. Step 2: Convert to fraction form
    79,805.43/119,707.88 = 23,645.97/x
  3. Step 3: Cross multiply
    79,805.43x = 119,707.88 × 23,645.97
  4. Step 4: Simplify right side
    79,805.43x = 2,830,608,821.01
  5. Step 5: Solve for x
    x = 2,830,608,821.01/79,805.43
  6. Step 6: Final answer
    x = 35,468.88

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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.