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Finding the Fourth Proportional to 23,340,515.69, 35,015,978.60 and 7,168,099.03

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Solution

The fourth proportional to 23,340,515.69, 35,015,978.60 and 7,168,099.03 is: 10,753,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340,515.69 : 35,015,978.60 = 7,168,099.03 : x
  2. Step 2: Convert to fraction form
    23,340,515.69/35,015,978.60 = 7,168,099.03/x
  3. Step 3: Cross multiply
    23,340,515.69x = 35,015,978.60 × 7,168,099.03
  4. Step 4: Simplify right side
    23,340,515.69x = 250,998,002,237,160.78
  5. Step 5: Solve for x
    x = 250,998,002,237,160.78/23,340,515.69
  6. Step 6: Final answer
    x = 10,753,747.07

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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.