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Finding the Fourth Proportional to 69,676.39, 96,167.42 and 41,376.61

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Solution

The fourth proportional to 69,676.39, 96,167.42 and 41,376.61 is: 57,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.39 : 96,167.42 = 41,376.61 : x
  2. Step 2: Convert to fraction form
    69,676.39/96,167.42 = 41,376.61/x
  3. Step 3: Cross multiply
    69,676.39x = 96,167.42 × 41,376.61
  4. Step 4: Simplify right side
    69,676.39x = 3,979,081,832.05
  5. Step 5: Solve for x
    x = 3,979,081,832.05/69,676.39
  6. Step 6: Final answer
    x = 57,108.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.