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Finding the Fourth Proportional to 63,969,548.88, 95,954,604.28 and 20,250,522.32

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Solution

The fourth proportional to 63,969,548.88, 95,954,604.28 and 20,250,522.32 is: 30,375,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,969,548.88 : 95,954,604.28 = 20,250,522.32 : x
  2. Step 2: Convert to fraction form
    63,969,548.88/95,954,604.28 = 20,250,522.32/x
  3. Step 3: Cross multiply
    63,969,548.88x = 95,954,604.28 × 20,250,522.32
  4. Step 4: Simplify right side
    63,969,548.88x = 1,943,130,855,678,907.50
  5. Step 5: Solve for x
    x = 1,943,130,855,678,907.50/63,969,548.88
  6. Step 6: Final answer
    x = 30,375,872.42

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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.