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Finding the Fourth Proportional to 194,687.44, 291,919.38 and 76,220.08

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Solution

The fourth proportional to 194,687.44, 291,919.38 and 76,220.08 is: 114,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,687.44 : 291,919.38 = 76,220.08 : x
  2. Step 2: Convert to fraction form
    194,687.44/291,919.38 = 76,220.08/x
  3. Step 3: Cross multiply
    194,687.44x = 291,919.38 × 76,220.08
  4. Step 4: Simplify right side
    194,687.44x = 22,250,118,497.15
  5. Step 5: Solve for x
    x = 22,250,118,497.15/194,687.44
  6. Step 6: Final answer
    x = 114,286.36

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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.