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Finding the Fourth Proportional to 367,019.02, 550,469.49 and 100,717.30

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Solution

The fourth proportional to 367,019.02, 550,469.49 and 100,717.30 is: 151,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,019.02 : 550,469.49 = 100,717.30 : x
  2. Step 2: Convert to fraction form
    367,019.02/550,469.49 = 100,717.30/x
  3. Step 3: Cross multiply
    367,019.02x = 550,469.49 × 100,717.30
  4. Step 4: Simplify right side
    367,019.02x = 55,441,800,765.18
  5. Step 5: Solve for x
    x = 55,441,800,765.18/367,019.02
  6. Step 6: Final answer
    x = 151,059.75

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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.