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Finding the Fourth Proportional to 43,467,072.60, 65,200,608.90 and 19,579,200.60

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Solution

The fourth proportional to 43,467,072.60, 65,200,608.90 and 19,579,200.60 is: 29,368,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467,072.60 : 65,200,608.90 = 19,579,200.60 : x
  2. Step 2: Convert to fraction form
    43,467,072.60/65,200,608.90 = 19,579,200.60/x
  3. Step 3: Cross multiply
    43,467,072.60x = 65,200,608.90 × 19,579,200.60
  4. Step 4: Simplify right side
    43,467,072.60x = 1,276,575,800,895,245.50
  5. Step 5: Solve for x
    x = 1,276,575,800,895,245.50/43,467,072.60
  6. Step 6: Final answer
    x = 29,368,800.90

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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.