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Finding the Fourth Proportional to 111,619.81, 167,452.77 and 36,744.44

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Solution

The fourth proportional to 111,619.81, 167,452.77 and 36,744.44 is: 55,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,619.81 : 167,452.77 = 36,744.44 : x
  2. Step 2: Convert to fraction form
    111,619.81/167,452.77 = 36,744.44/x
  3. Step 3: Cross multiply
    111,619.81x = 167,452.77 × 36,744.44
  4. Step 4: Simplify right side
    111,619.81x = 6,152,958,816.52
  5. Step 5: Solve for x
    x = 6,152,958,816.52/111,619.81
  6. Step 6: Final answer
    x = 55,124.26

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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.