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Finding the Fourth Proportional to 275,166.57, 412,745.74 and 95,382.87

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Solution

The fourth proportional to 275,166.57, 412,745.74 and 95,382.87 is: 143,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,166.57 : 412,745.74 = 95,382.87 : x
  2. Step 2: Convert to fraction form
    275,166.57/412,745.74 = 95,382.87/x
  3. Step 3: Cross multiply
    275,166.57x = 412,745.74 × 95,382.87
  4. Step 4: Simplify right side
    275,166.57x = 39,368,870,959.29
  5. Step 5: Solve for x
    x = 39,368,870,959.29/275,166.57
  6. Step 6: Final answer
    x = 143,072.87

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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.