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Finding the Fourth Proportional to 252,882,004.80, 379,333,504.80 and 80,353,948.80

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Solution

The fourth proportional to 252,882,004.80, 379,333,504.80 and 80,353,948.80 is: 120,534,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,882,004.80 : 379,333,504.80 = 80,353,948.80 : x
  2. Step 2: Convert to fraction form
    252,882,004.80/379,333,504.80 = 80,353,948.80/x
  3. Step 3: Cross multiply
    252,882,004.80x = 379,333,504.80 × 80,353,948.80
  4. Step 4: Simplify right side
    252,882,004.80x = 30,480,945,022,823,756
  5. Step 5: Solve for x
    x = 30,480,945,022,823,756/252,882,004.80
  6. Step 6: Final answer
    x = 120,534,258.84

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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.