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Finding the Fourth Proportional to 29,836,648.80, 44,728,729.20 and 20,220,847.20

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Solution

The fourth proportional to 29,836,648.80, 44,728,729.20 and 20,220,847.20 is: 30,313,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,836,648.80 : 44,728,729.20 = 20,220,847.20 : x
  2. Step 2: Convert to fraction form
    29,836,648.80/44,728,729.20 = 20,220,847.20/x
  3. Step 3: Cross multiply
    29,836,648.80x = 44,728,729.20 × 20,220,847.20
  4. Step 4: Simplify right side
    29,836,648.80x = 904,452,798,603,378.25
  5. Step 5: Solve for x
    x = 904,452,798,603,378.25/29,836,648.80
  6. Step 6: Final answer
    x = 30,313,484.76

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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.