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Finding the Fourth Proportional to 141,163.88, 211,632.84 and 73,662.03

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Solution

The fourth proportional to 141,163.88, 211,632.84 and 73,662.03 is: 110,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,163.88 : 211,632.84 = 73,662.03 : x
  2. Step 2: Convert to fraction form
    141,163.88/211,632.84 = 73,662.03/x
  3. Step 3: Cross multiply
    141,163.88x = 211,632.84 × 73,662.03
  4. Step 4: Simplify right side
    141,163.88x = 15,589,304,609.07
  5. Step 5: Solve for x
    x = 15,589,304,609.07/141,163.88
  6. Step 6: Final answer
    x = 110,434.09

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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.