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Finding the Fourth Proportional to 444,761.16, 667,143.09 and 107,800.49

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Solution

The fourth proportional to 444,761.16, 667,143.09 and 107,800.49 is: 161,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,761.16 : 667,143.09 = 107,800.49 : x
  2. Step 2: Convert to fraction form
    444,761.16/667,143.09 = 107,800.49/x
  3. Step 3: Cross multiply
    444,761.16x = 667,143.09 × 107,800.49
  4. Step 4: Simplify right side
    444,761.16x = 71,918,348,666.40
  5. Step 5: Solve for x
    x = 71,918,348,666.40/444,761.16
  6. Step 6: Final answer
    x = 161,701.05

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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.