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Finding the Fourth Proportional to 234,680.69, 351,865.49 and 84,901.50

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Solution

The fourth proportional to 234,680.69, 351,865.49 and 84,901.50 is: 127,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,680.69 : 351,865.49 = 84,901.50 : x
  2. Step 2: Convert to fraction form
    234,680.69/351,865.49 = 84,901.50/x
  3. Step 3: Cross multiply
    234,680.69x = 351,865.49 × 84,901.50
  4. Step 4: Simplify right side
    234,680.69x = 29,873,907,474.73
  5. Step 5: Solve for x
    x = 29,873,907,474.73/234,680.69
  6. Step 6: Final answer
    x = 127,295.97

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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.