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Finding the Fourth Proportional to 223,997.81, 335,880.07 and 105,637.37

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Solution

The fourth proportional to 223,997.81, 335,880.07 and 105,637.37 is: 158,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,997.81 : 335,880.07 = 105,637.37 : x
  2. Step 2: Convert to fraction form
    223,997.81/335,880.07 = 105,637.37/x
  3. Step 3: Cross multiply
    223,997.81x = 335,880.07 × 105,637.37
  4. Step 4: Simplify right side
    223,997.81x = 35,481,485,286.72
  5. Step 5: Solve for x
    x = 35,481,485,286.72/223,997.81
  6. Step 6: Final answer
    x = 158,401.04

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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.