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Finding the Fourth Proportional to 376,169.54, 563,891.43 and 126,715.46

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Solution

The fourth proportional to 376,169.54, 563,891.43 and 126,715.46 is: 189,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,169.54 : 563,891.43 = 126,715.46 : x
  2. Step 2: Convert to fraction form
    376,169.54/563,891.43 = 126,715.46/x
  3. Step 3: Cross multiply
    376,169.54x = 563,891.43 × 126,715.46
  4. Step 4: Simplify right side
    376,169.54x = 71,453,761,942.51
  5. Step 5: Solve for x
    x = 71,453,761,942.51/376,169.54
  6. Step 6: Final answer
    x = 189,950.95

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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.