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Finding the Fourth Proportional to 194,119.69, 291,192.09 and 61,005.51

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Solution

The fourth proportional to 194,119.69, 291,192.09 and 61,005.51 is: 91,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,119.69 : 291,192.09 = 61,005.51 : x
  2. Step 2: Convert to fraction form
    194,119.69/291,192.09 = 61,005.51/x
  3. Step 3: Cross multiply
    194,119.69x = 291,192.09 × 61,005.51
  4. Step 4: Simplify right side
    194,119.69x = 17,764,321,958.42
  5. Step 5: Solve for x
    x = 17,764,321,958.42/194,119.69
  6. Step 6: Final answer
    x = 91,512.21

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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.