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Finding the Fourth Proportional to 173,647,951.60, 260,247,978.60 and 133,057,231.60

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Solution

The fourth proportional to 173,647,951.60, 260,247,978.60 and 133,057,231.60 is: 199,414,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,647,951.60 : 260,247,978.60 = 133,057,231.60 : x
  2. Step 2: Convert to fraction form
    173,647,951.60/260,247,978.60 = 133,057,231.60/x
  3. Step 3: Cross multiply
    173,647,951.60x = 260,247,978.60 × 133,057,231.60
  4. Step 4: Simplify right side
    173,647,951.60x = 34,627,875,562,012,040
  5. Step 5: Solve for x
    x = 34,627,875,562,012,040/173,647,951.60
  6. Step 6: Final answer
    x = 199,414,247.29

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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.