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Finding the Fourth Proportional to 226,846.80, 340,321.84 and 69,087.56

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Solution

The fourth proportional to 226,846.80, 340,321.84 and 69,087.56 is: 103,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,846.80 : 340,321.84 = 69,087.56 : x
  2. Step 2: Convert to fraction form
    226,846.80/340,321.84 = 69,087.56/x
  3. Step 3: Cross multiply
    226,846.80x = 340,321.84 × 69,087.56
  4. Step 4: Simplify right side
    226,846.80x = 23,512,005,540.31
  5. Step 5: Solve for x
    x = 23,512,005,540.31/226,846.80
  6. Step 6: Final answer
    x = 103,647.07

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1.5x scale

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.