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Finding the Fourth Proportional to 194,195.68, 291,295.44 and 61,072.96

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Solution

The fourth proportional to 194,195.68, 291,295.44 and 61,072.96 is: 91,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,195.68 : 291,295.44 = 61,072.96 : x
  2. Step 2: Convert to fraction form
    194,195.68/291,295.44 = 61,072.96/x
  3. Step 3: Cross multiply
    194,195.68x = 291,295.44 × 61,072.96
  4. Step 4: Simplify right side
    194,195.68x = 17,790,274,755.30
  5. Step 5: Solve for x
    x = 17,790,274,755.30/194,195.68
  6. Step 6: Final answer
    x = 91,610.04

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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.