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Finding the Fourth Proportional to 194,505.26, 291,757.89 and 61,395.90

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Solution

The fourth proportional to 194,505.26, 291,757.89 and 61,395.90 is: 92,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,505.26 : 291,757.89 = 61,395.90 : x
  2. Step 2: Convert to fraction form
    194,505.26/291,757.89 = 61,395.90/x
  3. Step 3: Cross multiply
    194,505.26x = 291,757.89 × 61,395.90
  4. Step 4: Simplify right side
    194,505.26x = 17,912,738,238.65
  5. Step 5: Solve for x
    x = 17,912,738,238.65/194,505.26
  6. Step 6: Final answer
    x = 92,093.85

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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.