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Finding the Fourth Proportional to 226,759.88, 340,188.96 and 68,984.18

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Solution

The fourth proportional to 226,759.88, 340,188.96 and 68,984.18 is: 103,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,759.88 : 340,188.96 = 68,984.18 : x
  2. Step 2: Convert to fraction form
    226,759.88/340,188.96 = 68,984.18/x
  3. Step 3: Cross multiply
    226,759.88x = 340,188.96 × 68,984.18
  4. Step 4: Simplify right side
    226,759.88x = 23,467,656,450.65
  5. Step 5: Solve for x
    x = 23,467,656,450.65/226,759.88
  6. Step 6: Final answer
    x = 103,491.22

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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.