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Finding the Fourth Proportional to 226,568.58, 339,830.83 and 68,798.40

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Solution

The fourth proportional to 226,568.58, 339,830.83 and 68,798.40 is: 103,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,568.58 : 339,830.83 = 68,798.40 : x
  2. Step 2: Convert to fraction form
    226,568.58/339,830.83 = 68,798.40/x
  3. Step 3: Cross multiply
    226,568.58x = 339,830.83 × 68,798.40
  4. Step 4: Simplify right side
    226,568.58x = 23,379,817,374.67
  5. Step 5: Solve for x
    x = 23,379,817,374.67/226,568.58
  6. Step 6: Final answer
    x = 103,190.91

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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.