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Finding the Fourth Proportional to 367,050, 550,469.22 and 100,819.20

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Solution

The fourth proportional to 367,050, 550,469.22 and 100,819.20 is: 151,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,050 : 550,469.22 = 100,819.20 : x
  2. Step 2: Convert to fraction form
    367,050/550,469.22 = 100,819.20/x
  3. Step 3: Cross multiply
    367,050x = 550,469.22 × 100,819.20
  4. Step 4: Simplify right side
    367,050x = 55,497,866,385.02
  5. Step 5: Solve for x
    x = 55,497,866,385.02/367,050
  6. Step 6: Final answer
    x = 151,199.74

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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.