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Finding the Fourth Proportional to 111,323.06, 166,992.18 and 44,763.20

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Solution

The fourth proportional to 111,323.06, 166,992.18 and 44,763.20 is: 67,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,323.06 : 166,992.18 = 44,763.20 : x
  2. Step 2: Convert to fraction form
    111,323.06/166,992.18 = 44,763.20/x
  3. Step 3: Cross multiply
    111,323.06x = 166,992.18 × 44,763.20
  4. Step 4: Simplify right side
    111,323.06x = 7,475,104,351.78
  5. Step 5: Solve for x
    x = 7,475,104,351.78/111,323.06
  6. Step 6: Final answer
    x = 67,147.85

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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.