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Finding the Fourth Proportional to 100,948,469.40, 151,422,704.10 and 100,948,469.40

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Solution

The fourth proportional to 100,948,469.40, 151,422,704.10 and 100,948,469.40 is: 151,422,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948,469.40 : 151,422,704.10 = 100,948,469.40 : x
  2. Step 2: Convert to fraction form
    100,948,469.40/151,422,704.10 = 100,948,469.40/x
  3. Step 3: Cross multiply
    100,948,469.40x = 151,422,704.10 × 100,948,469.40
  4. Step 4: Simplify right side
    100,948,469.40x = 15,285,890,211,304,104
  5. Step 5: Solve for x
    x = 15,285,890,211,304,104/100,948,469.40
  6. Step 6: Final answer
    x = 151,422,704.10

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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.