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Finding the Fourth Proportional to 109,351.52, 150,899.73 and 60,958.71

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Solution

The fourth proportional to 109,351.52, 150,899.73 and 60,958.71 is: 84,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,351.52 : 150,899.73 = 60,958.71 : x
  2. Step 2: Convert to fraction form
    109,351.52/150,899.73 = 60,958.71/x
  3. Step 3: Cross multiply
    109,351.52x = 150,899.73 × 60,958.71
  4. Step 4: Simplify right side
    109,351.52x = 9,198,652,651.55
  5. Step 5: Solve for x
    x = 9,198,652,651.55/109,351.52
  6. Step 6: Final answer
    x = 84,120.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.