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Finding the Fourth Proportional to 107,165.54, 160,736.97 and 43,992.33

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Solution

The fourth proportional to 107,165.54, 160,736.97 and 43,992.33 is: 65,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,165.54 : 160,736.97 = 43,992.33 : x
  2. Step 2: Convert to fraction form
    107,165.54/160,736.97 = 43,992.33/x
  3. Step 3: Cross multiply
    107,165.54x = 160,736.97 × 43,992.33
  4. Step 4: Simplify right side
    107,165.54x = 7,071,193,389.65
  5. Step 5: Solve for x
    x = 7,071,193,389.65/107,165.54
  6. Step 6: Final answer
    x = 65,983.83

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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.