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Finding the Fourth Proportional to 196,992,048.20, 295,488,072.30 and 196,992,048.20

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Solution

The fourth proportional to 196,992,048.20, 295,488,072.30 and 196,992,048.20 is: 295,488,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,048.20 : 295,488,072.30 = 196,992,048.20 : x
  2. Step 2: Convert to fraction form
    196,992,048.20/295,488,072.30 = 196,992,048.20/x
  3. Step 3: Cross multiply
    196,992,048.20x = 295,488,072.30 × 196,992,048.20
  4. Step 4: Simplify right side
    196,992,048.20x = 58,208,800,581,046,680
  5. Step 5: Solve for x
    x = 58,208,800,581,046,680/196,992,048.20
  6. Step 6: Final answer
    x = 295,488,072.30

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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.