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Finding the Fourth Proportional to 77,696.82, 116,569.87 and 27,775.85

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Solution

The fourth proportional to 77,696.82, 116,569.87 and 27,775.85 is: 41,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696.82 : 116,569.87 = 27,775.85 : x
  2. Step 2: Convert to fraction form
    77,696.82/116,569.87 = 27,775.85/x
  3. Step 3: Cross multiply
    77,696.82x = 116,569.87 × 27,775.85
  4. Step 4: Simplify right side
    77,696.82x = 3,237,826,571.35
  5. Step 5: Solve for x
    x = 3,237,826,571.35/77,696.82
  6. Step 6: Final answer
    x = 41,672.58

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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.