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Finding the Fourth Proportional to 196,992,607.70, 295,488,911.55 and 186,411,026.90

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Solution

The fourth proportional to 196,992,607.70, 295,488,911.55 and 186,411,026.90 is: 279,616,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,607.70 : 295,488,911.55 = 186,411,026.90 : x
  2. Step 2: Convert to fraction form
    196,992,607.70/295,488,911.55 = 186,411,026.90/x
  3. Step 3: Cross multiply
    196,992,607.70x = 295,488,911.55 × 186,411,026.90
  4. Step 4: Simplify right side
    196,992,607.70x = 55,082,391,439,598,776
  5. Step 5: Solve for x
    x = 55,082,391,439,598,776/196,992,607.70
  6. Step 6: Final answer
    x = 279,616,540.35

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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.