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Finding the Fourth Proportional to 69,063.66, 103,571.94 and 26,940.42

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Solution

The fourth proportional to 69,063.66, 103,571.94 and 26,940.42 is: 40,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.66 : 103,571.94 = 26,940.42 : x
  2. Step 2: Convert to fraction form
    69,063.66/103,571.94 = 26,940.42/x
  3. Step 3: Cross multiply
    69,063.66x = 103,571.94 × 26,940.42
  4. Step 4: Simplify right side
    69,063.66x = 2,790,271,563.81
  5. Step 5: Solve for x
    x = 2,790,271,563.81/69,063.66
  6. Step 6: Final answer
    x = 40,401.44

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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.