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Finding the Fourth Proportional to 196,992,525.80, 295,488,788.70 and 119,394,266.60

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Solution

The fourth proportional to 196,992,525.80, 295,488,788.70 and 119,394,266.60 is: 179,091,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,525.80 : 295,488,788.70 = 119,394,266.60 : x
  2. Step 2: Convert to fraction form
    196,992,525.80/295,488,788.70 = 119,394,266.60/x
  3. Step 3: Cross multiply
    196,992,525.80x = 295,488,788.70 × 119,394,266.60
  4. Step 4: Simplify right side
    196,992,525.80x = 35,279,667,215,358,864
  5. Step 5: Solve for x
    x = 35,279,667,215,358,864/196,992,525.80
  6. Step 6: Final answer
    x = 179,091,399.90

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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.