Finding the Fourth Proportional to 218,660.44, 327,709.05 and 106,122.87
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Solution
The fourth proportional to 218,660.44, 327,709.05 and 106,122.87 is: 159,047.63
Step by Step Solution
- Step 1: Write the proportion equation
218,660.44 : 327,709.05 = 106,122.87 : x - Step 2: Convert to fraction form
218,660.44/327,709.05 = 106,122.87/x - Step 3: Cross multiply
218,660.44x = 327,709.05 × 106,122.87 - Step 4: Simplify right side
218,660.44x = 34,777,424,910.97 - Step 5: Solve for x
x = 34,777,424,910.97/218,660.44 - Step 6: Final answer
x = 159,047.63
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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.