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Finding the Fourth Proportional to 68,588.82, 102,880.49 and 26,450.82

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Solution

The fourth proportional to 68,588.82, 102,880.49 and 26,450.82 is: 39,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588.82 : 102,880.49 = 26,450.82 : x
  2. Step 2: Convert to fraction form
    68,588.82/102,880.49 = 26,450.82/x
  3. Step 3: Cross multiply
    68,588.82x = 102,880.49 × 26,450.82
  4. Step 4: Simplify right side
    68,588.82x = 2,721,273,190.25
  5. Step 5: Solve for x
    x = 2,721,273,190.25/68,588.82
  6. Step 6: Final answer
    x = 39,675.17

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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.