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Finding the Fourth Proportional to 69,841.72, 104,468.96 and 58,876.64

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Solution

The fourth proportional to 69,841.72, 104,468.96 and 58,876.64 is: 88,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841.72 : 104,468.96 = 58,876.64 : x
  2. Step 2: Convert to fraction form
    69,841.72/104,468.96 = 58,876.64/x
  3. Step 3: Cross multiply
    69,841.72x = 104,468.96 × 58,876.64
  4. Step 4: Simplify right side
    69,841.72x = 6,150,781,349.09
  5. Step 5: Solve for x
    x = 6,150,781,349.09/69,841.72
  6. Step 6: Final answer
    x = 88,067.44

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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.