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Finding the Fourth Proportional to 57,866.73, 86,167.73 and 55,738.52

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Solution

The fourth proportional to 57,866.73, 86,167.73 and 55,738.52 is: 82,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,866.73 : 86,167.73 = 55,738.52 : x
  2. Step 2: Convert to fraction form
    57,866.73/86,167.73 = 55,738.52/x
  3. Step 3: Cross multiply
    57,866.73x = 86,167.73 × 55,738.52
  4. Step 4: Simplify right side
    57,866.73x = 4,802,861,032.43
  5. Step 5: Solve for x
    x = 4,802,861,032.43/57,866.73
  6. Step 6: Final answer
    x = 82,998.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.