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Finding the Fourth Proportional to 197,296,885.20, 276,669,135.60 and 197,296,885.20

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Solution

The fourth proportional to 197,296,885.20, 276,669,135.60 and 197,296,885.20 is: 276,669,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,296,885.20 : 276,669,135.60 = 197,296,885.20 : x
  2. Step 2: Convert to fraction form
    197,296,885.20/276,669,135.60 = 197,296,885.20/x
  3. Step 3: Cross multiply
    197,296,885.20x = 276,669,135.60 × 197,296,885.20
  4. Step 4: Simplify right side
    197,296,885.20x = 54,585,958,684,856,432
  5. Step 5: Solve for x
    x = 54,585,958,684,856,432/197,296,885.20
  6. Step 6: Final answer
    x = 276,669,135.60

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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.