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Finding the Fourth Proportional to 66,846.54, 100,269.95 and 27,396.57

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Solution

The fourth proportional to 66,846.54, 100,269.95 and 27,396.57 is: 41,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.54 : 100,269.95 = 27,396.57 : x
  2. Step 2: Convert to fraction form
    66,846.54/100,269.95 = 27,396.57/x
  3. Step 3: Cross multiply
    66,846.54x = 100,269.95 × 27,396.57
  4. Step 4: Simplify right side
    66,846.54x = 2,747,052,567.09
  5. Step 5: Solve for x
    x = 2,747,052,567.09/66,846.54
  6. Step 6: Final answer
    x = 41,094.91

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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.