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Finding the Fourth Proportional to 196,992,427.70, 295,488,641.55 and 186,410,846.90

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Solution

The fourth proportional to 196,992,427.70, 295,488,641.55 and 186,410,846.90 is: 279,616,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,427.70 : 295,488,641.55 = 186,410,846.90 : x
  2. Step 2: Convert to fraction form
    196,992,427.70/295,488,641.55 = 186,410,846.90/x
  3. Step 3: Cross multiply
    196,992,427.70x = 295,488,641.55 × 186,410,846.90
  4. Step 4: Simplify right side
    196,992,427.70x = 55,082,287,920,666,032
  5. Step 5: Solve for x
    x = 55,082,287,920,666,032/196,992,427.70
  6. Step 6: Final answer
    x = 279,616,270.35

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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.