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Finding the Fourth Proportional to 44,684,905.20, 67,027,357.80 and 27,678,793.20

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Solution

The fourth proportional to 44,684,905.20, 67,027,357.80 and 27,678,793.20 is: 41,518,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,684,905.20 : 67,027,357.80 = 27,678,793.20 : x
  2. Step 2: Convert to fraction form
    44,684,905.20/67,027,357.80 = 27,678,793.20/x
  3. Step 3: Cross multiply
    44,684,905.20x = 67,027,357.80 × 27,678,793.20
  4. Step 4: Simplify right side
    44,684,905.20x = 1,855,236,375,288,606.75
  5. Step 5: Solve for x
    x = 1,855,236,375,288,606.75/44,684,905.20
  6. Step 6: Final answer
    x = 41,518,189.80

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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.