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Finding the Fourth Proportional to 229,661.27, 344,469.63 and 69,738.59

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Solution

The fourth proportional to 229,661.27, 344,469.63 and 69,738.59 is: 104,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,661.27 : 344,469.63 = 69,738.59 : x
  2. Step 2: Convert to fraction form
    229,661.27/344,469.63 = 69,738.59/x
  3. Step 3: Cross multiply
    229,661.27x = 344,469.63 × 69,738.59
  4. Step 4: Simplify right side
    229,661.27x = 24,022,825,086.79
  5. Step 5: Solve for x
    x = 24,022,825,086.79/229,661.27
  6. Step 6: Final answer
    x = 104,601.12

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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.