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Finding the Fourth Proportional to 444,771.45, 667,151.28 and 107,815.06

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Solution

The fourth proportional to 444,771.45, 667,151.28 and 107,815.06 is: 161,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,771.45 : 667,151.28 = 107,815.06 : x
  2. Step 2: Convert to fraction form
    444,771.45/667,151.28 = 107,815.06/x
  3. Step 3: Cross multiply
    444,771.45x = 667,151.28 × 107,815.06
  4. Step 4: Simplify right side
    444,771.45x = 71,928,956,411.08
  5. Step 5: Solve for x
    x = 71,928,956,411.08/444,771.45
  6. Step 6: Final answer
    x = 161,721.16

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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.