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Finding the Fourth Proportional to 194,676.65, 291,786.03 and 87,936.02

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Solution

The fourth proportional to 194,676.65, 291,786.03 and 87,936.02 is: 131,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,676.65 : 291,786.03 = 87,936.02 : x
  2. Step 2: Convert to fraction form
    194,676.65/291,786.03 = 87,936.02/x
  3. Step 3: Cross multiply
    194,676.65x = 291,786.03 × 87,936.02
  4. Step 4: Simplify right side
    194,676.65x = 25,658,502,169.80
  5. Step 5: Solve for x
    x = 25,658,502,169.80/194,676.65
  6. Step 6: Final answer
    x = 131,800.61

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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.