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Finding the Fourth Proportional to 71,063.86, 98,067.42 and 39,232.96

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Solution

The fourth proportional to 71,063.86, 98,067.42 and 39,232.96 is: 54,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.86 : 98,067.42 = 39,232.96 : x
  2. Step 2: Convert to fraction form
    71,063.86/98,067.42 = 39,232.96/x
  3. Step 3: Cross multiply
    71,063.86x = 98,067.42 × 39,232.96
  4. Step 4: Simplify right side
    71,063.86x = 3,847,475,166.16
  5. Step 5: Solve for x
    x = 3,847,475,166.16/71,063.86
  6. Step 6: Final answer
    x = 54,141.09

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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.