Finding the Fourth Proportional to 110,857.92, 166,286.40 and 27,751.68
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Solution
The fourth proportional to 110,857.92, 166,286.40 and 27,751.68 is: 41,627.40
Step by Step Solution
- Step 1: Write the proportion equation
110,857.92 : 166,286.40 = 27,751.68 : x - Step 2: Convert to fraction form
110,857.92/166,286.40 = 27,751.68/x - Step 3: Cross multiply
110,857.92x = 166,286.40 × 27,751.68 - Step 4: Simplify right side
110,857.92x = 4,614,726,961.15 - Step 5: Solve for x
x = 4,614,726,961.15/110,857.92 - Step 6: Final answer
x = 41,627.40
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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.