Finding the Fourth Proportional to 242,324.11, 334,571.88 and 151,716.70
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Solution
The fourth proportional to 242,324.11, 334,571.88 and 151,716.70 is: 209,472.11
Step by Step Solution
- Step 1: Write the proportion equation
242,324.11 : 334,571.88 = 151,716.70 : x - Step 2: Convert to fraction form
242,324.11/334,571.88 = 151,716.70/x - Step 3: Cross multiply
242,324.11x = 334,571.88 × 151,716.70 - Step 4: Simplify right side
242,324.11x = 50,760,141,546.40 - Step 5: Solve for x
x = 50,760,141,546.40/242,324.11 - Step 6: Final answer
x = 209,472.11
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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.