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Finding the Fourth Proportional to 444,103.45, 666,149.01 and 107,141.26

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Solution

The fourth proportional to 444,103.45, 666,149.01 and 107,141.26 is: 160,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,103.45 : 666,149.01 = 107,141.26 : x
  2. Step 2: Convert to fraction form
    444,103.45/666,149.01 = 107,141.26/x
  3. Step 3: Cross multiply
    444,103.45x = 666,149.01 × 107,141.26
  4. Step 4: Simplify right side
    444,103.45x = 71,372,042,905.02
  5. Step 5: Solve for x
    x = 71,372,042,905.02/444,103.45
  6. Step 6: Final answer
    x = 160,710.40

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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.