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Finding the Fourth Proportional to 183,728,911.60, 275,593,367.40 and 91,895,906.80

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Solution

The fourth proportional to 183,728,911.60, 275,593,367.40 and 91,895,906.80 is: 137,843,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,728,911.60 : 275,593,367.40 = 91,895,906.80 : x
  2. Step 2: Convert to fraction form
    183,728,911.60/275,593,367.40 = 91,895,906.80/x
  3. Step 3: Cross multiply
    183,728,911.60x = 275,593,367.40 × 91,895,906.80
  4. Step 4: Simplify right side
    183,728,911.60x = 25,325,902,405,288,556
  5. Step 5: Solve for x
    x = 25,325,902,405,288,556/183,728,911.60
  6. Step 6: Final answer
    x = 137,843,860.20

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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.