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Finding the Fourth Proportional to 226,626.67, 339,870.38 and 74,795.78

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Solution

The fourth proportional to 226,626.67, 339,870.38 and 74,795.78 is: 112,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,626.67 : 339,870.38 = 74,795.78 : x
  2. Step 2: Convert to fraction form
    226,626.67/339,870.38 = 74,795.78/x
  3. Step 3: Cross multiply
    226,626.67x = 339,870.38 × 74,795.78
  4. Step 4: Simplify right side
    226,626.67x = 25,420,870,646.69
  5. Step 5: Solve for x
    x = 25,420,870,646.69/226,626.67
  6. Step 6: Final answer
    x = 112,170.69

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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.