Finding the Fourth Proportional to 231,744.67, 347,529.52 and 106,998.19
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Solution
The fourth proportional to 231,744.67, 347,529.52 and 106,998.19 is: 160,456.89
Step by Step Solution
- Step 1: Write the proportion equation
231,744.67 : 347,529.52 = 106,998.19 : x - Step 2: Convert to fraction form
231,744.67/347,529.52 = 106,998.19/x - Step 3: Cross multiply
231,744.67x = 347,529.52 × 106,998.19 - Step 4: Simplify right side
231,744.67x = 37,185,028,876.49 - Step 5: Solve for x
x = 37,185,028,876.49/231,744.67 - Step 6: Final answer
x = 160,456.89
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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.