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Finding the Fourth Proportional to 194,998.70, 291,914.85 and 116,072.30

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Solution

The fourth proportional to 194,998.70, 291,914.85 and 116,072.30 is: 173,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,998.70 : 291,914.85 = 116,072.30 : x
  2. Step 2: Convert to fraction form
    194,998.70/291,914.85 = 116,072.30/x
  3. Step 3: Cross multiply
    194,998.70x = 291,914.85 × 116,072.30
  4. Step 4: Simplify right side
    194,998.70x = 33,883,228,043.66
  5. Step 5: Solve for x
    x = 33,883,228,043.66/194,998.70
  6. Step 6: Final answer
    x = 173,761.30

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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.