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Finding the Fourth Proportional to 111,620.81, 167,454.27 and 36,745.44

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Solution

The fourth proportional to 111,620.81, 167,454.27 and 36,745.44 is: 55,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,620.81 : 167,454.27 = 36,745.44 : x
  2. Step 2: Convert to fraction form
    111,620.81/167,454.27 = 36,745.44/x
  3. Step 3: Cross multiply
    111,620.81x = 167,454.27 × 36,745.44
  4. Step 4: Simplify right side
    111,620.81x = 6,153,180,831.03
  5. Step 5: Solve for x
    x = 6,153,180,831.03/111,620.81
  6. Step 6: Final answer
    x = 55,125.75

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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.