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Finding the Fourth Proportional to 367,059.36, 550,489.20 and 100,756.80

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Solution

The fourth proportional to 367,059.36, 550,489.20 and 100,756.80 is: 151,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,059.36 : 550,489.20 = 100,756.80 : x
  2. Step 2: Convert to fraction form
    367,059.36/550,489.20 = 100,756.80/x
  3. Step 3: Cross multiply
    367,059.36x = 550,489.20 × 100,756.80
  4. Step 4: Simplify right side
    367,059.36x = 55,465,530,226.56
  5. Step 5: Solve for x
    x = 55,465,530,226.56/367,059.36
  6. Step 6: Final answer
    x = 151,107.79

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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.