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Finding the Fourth Proportional to 175,391,906.20, 246,086,145.80 and 175,391,906.20

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Solution

The fourth proportional to 175,391,906.20, 246,086,145.80 and 175,391,906.20 is: 246,086,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,391,906.20 : 246,086,145.80 = 175,391,906.20 : x
  2. Step 2: Convert to fraction form
    175,391,906.20/246,086,145.80 = 175,391,906.20/x
  3. Step 3: Cross multiply
    175,391,906.20x = 246,086,145.80 × 175,391,906.20
  4. Step 4: Simplify right side
    175,391,906.20x = 43,161,518,201,273,120
  5. Step 5: Solve for x
    x = 43,161,518,201,273,120/175,391,906.20
  6. Step 6: Final answer
    x = 246,086,145.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.