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Finding the Fourth Proportional to 251,456.94, 377,238.26 and 73,949.09

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Solution

The fourth proportional to 251,456.94, 377,238.26 and 73,949.09 is: 110,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,456.94 : 377,238.26 = 73,949.09 : x
  2. Step 2: Convert to fraction form
    251,456.94/377,238.26 = 73,949.09/x
  3. Step 3: Cross multiply
    251,456.94x = 377,238.26 × 73,949.09
  4. Step 4: Simplify right side
    251,456.94x = 27,896,424,338.86
  5. Step 5: Solve for x
    x = 27,896,424,338.86/251,456.94
  6. Step 6: Final answer
    x = 110,939.17

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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.