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Finding the Fourth Proportional to 196,891.97, 295,323.67 and 76,926.36

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Solution

The fourth proportional to 196,891.97, 295,323.67 and 76,926.36 is: 115,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,891.97 : 295,323.67 = 76,926.36 : x
  2. Step 2: Convert to fraction form
    196,891.97/295,323.67 = 76,926.36/x
  3. Step 3: Cross multiply
    196,891.97x = 295,323.67 × 76,926.36
  4. Step 4: Simplify right side
    196,891.97x = 22,718,174,497.37
  5. Step 5: Solve for x
    x = 22,718,174,497.37/196,891.97
  6. Step 6: Final answer
    x = 115,383.96

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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.