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Finding the Fourth Proportional to 73,366.29, 110,046.56 and 25,979.47

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Solution

The fourth proportional to 73,366.29, 110,046.56 and 25,979.47 is: 38,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,366.29 : 110,046.56 = 25,979.47 : x
  2. Step 2: Convert to fraction form
    73,366.29/110,046.56 = 25,979.47/x
  3. Step 3: Cross multiply
    73,366.29x = 110,046.56 × 25,979.47
  4. Step 4: Simplify right side
    73,366.29x = 2,858,951,174.23
  5. Step 5: Solve for x
    x = 2,858,951,174.23/73,366.29
  6. Step 6: Final answer
    x = 38,968.18

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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.