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Finding the Fourth Proportional to 196,992,313.20, 295,488,469.80 and 186,410,732.40

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Solution

The fourth proportional to 196,992,313.20, 295,488,469.80 and 186,410,732.40 is: 279,616,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,313.20 : 295,488,469.80 = 186,410,732.40 : x
  2. Step 2: Convert to fraction form
    196,992,313.20/295,488,469.80 = 186,410,732.40/x
  3. Step 3: Cross multiply
    196,992,313.20x = 295,488,469.80 × 186,410,732.40
  4. Step 4: Simplify right side
    196,992,313.20x = 55,082,222,071,173,288
  5. Step 5: Solve for x
    x = 55,082,222,071,173,288/196,992,313.20
  6. Step 6: Final answer
    x = 279,616,098.60

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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.