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Finding the Fourth Proportional to 71,893.37, 99,213.26 and 41,696.61

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Solution

The fourth proportional to 71,893.37, 99,213.26 and 41,696.61 is: 57,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.37 : 99,213.26 = 41,696.61 : x
  2. Step 2: Convert to fraction form
    71,893.37/99,213.26 = 41,696.61/x
  3. Step 3: Cross multiply
    71,893.37x = 99,213.26 × 41,696.61
  4. Step 4: Simplify right side
    71,893.37x = 4,136,856,028.52
  5. Step 5: Solve for x
    x = 4,136,856,028.52/71,893.37
  6. Step 6: Final answer
    x = 57,541.55

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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.