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Finding the Fourth Proportional to 218,333,314.80, 327,405,493.80 and 88,897,906.80

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Solution

The fourth proportional to 218,333,314.80, 327,405,493.80 and 88,897,906.80 is: 133,308,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,333,314.80 : 327,405,493.80 = 88,897,906.80 : x
  2. Step 2: Convert to fraction form
    218,333,314.80/327,405,493.80 = 88,897,906.80/x
  3. Step 3: Cross multiply
    218,333,314.80x = 327,405,493.80 × 88,897,906.80
  4. Step 4: Simplify right side
    218,333,314.80x = 29,105,663,073,640,376
  5. Step 5: Solve for x
    x = 29,105,663,073,640,376/218,333,314.80
  6. Step 6: Final answer
    x = 133,308,391.81

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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.