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Finding the Fourth Proportional to 111,919.28, 167,873.45 and 41,793.13

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Solution

The fourth proportional to 111,919.28, 167,873.45 and 41,793.13 is: 62,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,919.28 : 167,873.45 = 41,793.13 : x
  2. Step 2: Convert to fraction form
    111,919.28/167,873.45 = 41,793.13/x
  3. Step 3: Cross multiply
    111,919.28x = 167,873.45 × 41,793.13
  4. Step 4: Simplify right side
    111,919.28x = 7,015,956,080.03
  5. Step 5: Solve for x
    x = 7,015,956,080.03/111,919.28
  6. Step 6: Final answer
    x = 62,687.64

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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.