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Finding the Fourth Proportional to 242,023,604.70, 363,068,584.65 and 80,448,692.70

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Solution

The fourth proportional to 242,023,604.70, 363,068,584.65 and 80,448,692.70 is: 120,684,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,023,604.70 : 363,068,584.65 = 80,448,692.70 : x
  2. Step 2: Convert to fraction form
    242,023,604.70/363,068,584.65 = 80,448,692.70/x
  3. Step 3: Cross multiply
    242,023,604.70x = 363,068,584.65 × 80,448,692.70
  4. Step 4: Simplify right side
    242,023,604.70x = 29,208,392,995,531,788
  5. Step 5: Solve for x
    x = 29,208,392,995,531,788/242,023,604.70
  6. Step 6: Final answer
    x = 120,684,067.29

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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.