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Finding the Fourth Proportional to 22,888,978.80, 34,333,468.20 and 20,367,481.20

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Solution

The fourth proportional to 22,888,978.80, 34,333,468.20 and 20,367,481.20 is: 30,551,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888,978.80 : 34,333,468.20 = 20,367,481.20 : x
  2. Step 2: Convert to fraction form
    22,888,978.80/34,333,468.20 = 20,367,481.20/x
  3. Step 3: Cross multiply
    22,888,978.80x = 34,333,468.20 × 20,367,481.20
  4. Step 4: Simplify right side
    22,888,978.80x = 699,286,268,094,297.88
  5. Step 5: Solve for x
    x = 699,286,268,094,297.88/22,888,978.80
  6. Step 6: Final answer
    x = 30,551,221.80

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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.