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Finding the Fourth Proportional to 226,652,621.40, 339,978,932.10 and 73,408,656.60

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Solution

The fourth proportional to 226,652,621.40, 339,978,932.10 and 73,408,656.60 is: 110,112,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,652,621.40 : 339,978,932.10 = 73,408,656.60 : x
  2. Step 2: Convert to fraction form
    226,652,621.40/339,978,932.10 = 73,408,656.60/x
  3. Step 3: Cross multiply
    226,652,621.40x = 339,978,932.10 × 73,408,656.60
  4. Step 4: Simplify right side
    226,652,621.40x = 24,957,396,677,763,616
  5. Step 5: Solve for x
    x = 24,957,396,677,763,616/226,652,621.40
  6. Step 6: Final answer
    x = 110,112,984.90

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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.