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Finding the Fourth Proportional to 196,764.78, 295,185.09 and 63,678.06

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Solution

The fourth proportional to 196,764.78, 295,185.09 and 63,678.06 is: 95,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,764.78 : 295,185.09 = 63,678.06 : x
  2. Step 2: Convert to fraction form
    196,764.78/295,185.09 = 63,678.06/x
  3. Step 3: Cross multiply
    196,764.78x = 295,185.09 × 63,678.06
  4. Step 4: Simplify right side
    196,764.78x = 18,796,813,872.13
  5. Step 5: Solve for x
    x = 18,796,813,872.13/196,764.78
  6. Step 6: Final answer
    x = 95,529.36

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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.