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Finding the Fourth Proportional to 227,034.59, 340,605.12 and 69,262.98

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Solution

The fourth proportional to 227,034.59, 340,605.12 and 69,262.98 is: 103,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,034.59 : 340,605.12 = 69,262.98 : x
  2. Step 2: Convert to fraction form
    227,034.59/340,605.12 = 69,262.98/x
  3. Step 3: Cross multiply
    227,034.59x = 340,605.12 × 69,262.98
  4. Step 4: Simplify right side
    227,034.59x = 23,591,325,614.46
  5. Step 5: Solve for x
    x = 23,591,325,614.46/227,034.59
  6. Step 6: Final answer
    x = 103,910.71

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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.