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Finding the Fourth Proportional to 70,767.59, 106,169.21 and 26,395.79

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Solution

The fourth proportional to 70,767.59, 106,169.21 and 26,395.79 is: 39,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.59 : 106,169.21 = 26,395.79 : x
  2. Step 2: Convert to fraction form
    70,767.59/106,169.21 = 26,395.79/x
  3. Step 3: Cross multiply
    70,767.59x = 106,169.21 × 26,395.79
  4. Step 4: Simplify right side
    70,767.59x = 2,802,420,039.65
  5. Step 5: Solve for x
    x = 2,802,420,039.65/70,767.59
  6. Step 6: Final answer
    x = 39,600.33

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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.