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Finding the Fourth Proportional to 196,843.45, 295,192.50 and 70,449.43

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Solution

The fourth proportional to 196,843.45, 295,192.50 and 70,449.43 is: 105,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,843.45 : 295,192.50 = 70,449.43 : x
  2. Step 2: Convert to fraction form
    196,843.45/295,192.50 = 70,449.43/x
  3. Step 3: Cross multiply
    196,843.45x = 295,192.50 × 70,449.43
  4. Step 4: Simplify right side
    196,843.45x = 20,796,143,365.28
  5. Step 5: Solve for x
    x = 20,796,143,365.28/196,843.45
  6. Step 6: Final answer
    x = 105,648.13

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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.