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Finding the Fourth Proportional to 69,401.94, 104,144.37 and 63,755.38

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Solution

The fourth proportional to 69,401.94, 104,144.37 and 63,755.38 is: 95,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.94 : 104,144.37 = 63,755.38 : x
  2. Step 2: Convert to fraction form
    69,401.94/104,144.37 = 63,755.38/x
  3. Step 3: Cross multiply
    69,401.94x = 104,144.37 × 63,755.38
  4. Step 4: Simplify right side
    69,401.94x = 6,639,763,775.31
  5. Step 5: Solve for x
    x = 6,639,763,775.31/69,401.94
  6. Step 6: Final answer
    x = 95,671.16

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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.