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Finding the Fourth Proportional to 69,321.56, 95,700.49 and 53,371.04

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Solution

The fourth proportional to 69,321.56, 95,700.49 and 53,371.04 is: 73,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321.56 : 95,700.49 = 53,371.04 : x
  2. Step 2: Convert to fraction form
    69,321.56/95,700.49 = 53,371.04/x
  3. Step 3: Cross multiply
    69,321.56x = 95,700.49 × 53,371.04
  4. Step 4: Simplify right side
    69,321.56x = 5,107,634,067.88
  5. Step 5: Solve for x
    x = 5,107,634,067.88/69,321.56
  6. Step 6: Final answer
    x = 73,680.32

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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.