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Finding the Fourth Proportional to 229,661.25, 344,469.60 and 69,738.57

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Solution

The fourth proportional to 229,661.25, 344,469.60 and 69,738.57 is: 104,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,661.25 : 344,469.60 = 69,738.57 : x
  2. Step 2: Convert to fraction form
    229,661.25/344,469.60 = 69,738.57/x
  3. Step 3: Cross multiply
    229,661.25x = 344,469.60 × 69,738.57
  4. Step 4: Simplify right side
    229,661.25x = 24,022,817,435.06
  5. Step 5: Solve for x
    x = 24,022,817,435.06/229,661.25
  6. Step 6: Final answer
    x = 104,601.09

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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.