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Finding the Fourth Proportional to 77,371.94, 116,091.31 and 41,858.27

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Solution

The fourth proportional to 77,371.94, 116,091.31 and 41,858.27 is: 62,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,371.94 : 116,091.31 = 41,858.27 : x
  2. Step 2: Convert to fraction form
    77,371.94/116,091.31 = 41,858.27/x
  3. Step 3: Cross multiply
    77,371.94x = 116,091.31 × 41,858.27
  4. Step 4: Simplify right side
    77,371.94x = 4,859,381,584.22
  5. Step 5: Solve for x
    x = 4,859,381,584.22/77,371.94
  6. Step 6: Final answer
    x = 62,805.48

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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.