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Finding the Fourth Proportional to 196,992,206.80, 295,488,310.20 and 194,304,821.20

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Solution

The fourth proportional to 196,992,206.80, 295,488,310.20 and 194,304,821.20 is: 291,457,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,206.80 : 295,488,310.20 = 194,304,821.20 : x
  2. Step 2: Convert to fraction form
    196,992,206.80/295,488,310.20 = 194,304,821.20/x
  3. Step 3: Cross multiply
    196,992,206.80x = 295,488,310.20 × 194,304,821.20
  4. Step 4: Simplify right side
    196,992,206.80x = 57,414,803,280,101,128
  5. Step 5: Solve for x
    x = 57,414,803,280,101,128/196,992,206.80
  6. Step 6: Final answer
    x = 291,457,231.80

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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.