Finding the Fourth Proportional to 299,879.88, 449,470.08 and 110,197.32
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Solution
The fourth proportional to 299,879.88, 449,470.08 and 110,197.32 is: 165,167.46
Step by Step Solution
- Step 1: Write the proportion equation
299,879.88 : 449,470.08 = 110,197.32 : x - Step 2: Convert to fraction form
299,879.88/449,470.08 = 110,197.32/x - Step 3: Cross multiply
299,879.88x = 449,470.08 × 110,197.32 - Step 4: Simplify right side
299,879.88x = 49,530,398,236.19 - Step 5: Solve for x
x = 49,530,398,236.19/299,879.88 - Step 6: Final answer
x = 165,167.46
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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.