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Finding the Fourth Proportional to 376,083.92, 564,121.56 and 126,940.88

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Solution

The fourth proportional to 376,083.92, 564,121.56 and 126,940.88 is: 190,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,083.92 : 564,121.56 = 126,940.88 : x
  2. Step 2: Convert to fraction form
    376,083.92/564,121.56 = 126,940.88/x
  3. Step 3: Cross multiply
    376,083.92x = 564,121.56 × 126,940.88
  4. Step 4: Simplify right side
    376,083.92x = 71,610,087,253.37
  5. Step 5: Solve for x
    x = 71,610,087,253.37/376,083.92
  6. Step 6: Final answer
    x = 190,409.86

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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.