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Finding the Fourth Proportional to 444,921.58, 667,376.74 and 107,965

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Solution

The fourth proportional to 444,921.58, 667,376.74 and 107,965 is: 161,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,921.58 : 667,376.74 = 107,965 : x
  2. Step 2: Convert to fraction form
    444,921.58/667,376.74 = 107,965/x
  3. Step 3: Cross multiply
    444,921.58x = 667,376.74 × 107,965
  4. Step 4: Simplify right side
    444,921.58x = 72,053,329,734.10
  5. Step 5: Solve for x
    x = 72,053,329,734.10/444,921.58
  6. Step 6: Final answer
    x = 161,946.13

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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.