Finding the Fourth Proportional to 170,198.72, 254,917.92 and 123,344
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Solution
The fourth proportional to 170,198.72, 254,917.92 and 123,344 is: 184,740.50
Step by Step Solution
- Step 1: Write the proportion equation
170,198.72 : 254,917.92 = 123,344 : x - Step 2: Convert to fraction form
170,198.72/254,917.92 = 123,344/x - Step 3: Cross multiply
170,198.72x = 254,917.92 × 123,344 - Step 4: Simplify right side
170,198.72x = 31,442,595,924.48 - Step 5: Solve for x
x = 31,442,595,924.48/170,198.72 - Step 6: Final answer
x = 184,740.50
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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.