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Finding the Fourth Proportional to 444,109.44, 666,157.98 and 107,147.28

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Solution

The fourth proportional to 444,109.44, 666,157.98 and 107,147.28 is: 160,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,109.44 : 666,157.98 = 107,147.28 : x
  2. Step 2: Convert to fraction form
    444,109.44/666,157.98 = 107,147.28/x
  3. Step 3: Cross multiply
    444,109.44x = 666,157.98 × 107,147.28
  4. Step 4: Simplify right side
    444,109.44x = 71,377,015,607.29
  5. Step 5: Solve for x
    x = 71,377,015,607.29/444,109.44
  6. Step 6: Final answer
    x = 160,719.43

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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.