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Finding the Fourth Proportional to 61,169.67, 91,744.67 and 16,786.05

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Solution

The fourth proportional to 61,169.67, 91,744.67 and 16,786.05 is: 25,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.67 : 91,744.67 = 16,786.05 : x
  2. Step 2: Convert to fraction form
    61,169.67/91,744.67 = 16,786.05/x
  3. Step 3: Cross multiply
    61,169.67x = 91,744.67 × 16,786.05
  4. Step 4: Simplify right side
    61,169.67x = 1,540,030,533.92
  5. Step 5: Solve for x
    x = 1,540,030,533.92/61,169.67
  6. Step 6: Final answer
    x = 25,176.37

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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.