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Finding the Fourth Proportional to 70,879.44, 106,348.44 and 35,829.36

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Solution

The fourth proportional to 70,879.44, 106,348.44 and 35,829.36 is: 53,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879.44 : 106,348.44 = 35,829.36 : x
  2. Step 2: Convert to fraction form
    70,879.44/106,348.44 = 35,829.36/x
  3. Step 3: Cross multiply
    70,879.44x = 106,348.44 × 35,829.36
  4. Step 4: Simplify right side
    70,879.44x = 3,810,396,542.20
  5. Step 5: Solve for x
    x = 3,810,396,542.20/70,879.44
  6. Step 6: Final answer
    x = 53,758.84

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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.