Finding the Fourth Proportional to 106,161.92, 146,559.84 and 82,234.88
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Solution
The fourth proportional to 106,161.92, 146,559.84 and 82,234.88 is: 113,527.82
Step by Step Solution
- Step 1: Write the proportion equation
106,161.92 : 146,559.84 = 82,234.88 : x - Step 2: Convert to fraction form
106,161.92/146,559.84 = 82,234.88/x - Step 3: Cross multiply
106,161.92x = 146,559.84 × 82,234.88 - Step 4: Simplify right side
106,161.92x = 12,052,330,855.22 - Step 5: Solve for x
x = 12,052,330,855.22/106,161.92 - Step 6: Final answer
x = 113,527.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.