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Finding the Fourth Proportional to 300,954.01, 451,112.73 and 111,292.51

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Solution

The fourth proportional to 300,954.01, 451,112.73 and 111,292.51 is: 166,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,954.01 : 451,112.73 = 111,292.51 : x
  2. Step 2: Convert to fraction form
    300,954.01/451,112.73 = 111,292.51/x
  3. Step 3: Cross multiply
    300,954.01x = 451,112.73 × 111,292.51
  4. Step 4: Simplify right side
    300,954.01x = 50,205,468,014.65
  5. Step 5: Solve for x
    x = 50,205,468,014.65/300,954.01
  6. Step 6: Final answer
    x = 166,821.06

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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.