Finding the Fourth Proportional to 107,816.12, 161,755.38 and 44,624.56
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Solution
The fourth proportional to 107,816.12, 161,755.38 and 44,624.56 is: 66,949.75
Step by Step Solution
- Step 1: Write the proportion equation
107,816.12 : 161,755.38 = 44,624.56 : x - Step 2: Convert to fraction form
107,816.12/161,755.38 = 44,624.56/x - Step 3: Cross multiply
107,816.12x = 161,755.38 × 44,624.56 - Step 4: Simplify right side
107,816.12x = 7,218,262,660.13 - Step 5: Solve for x
x = 7,218,262,660.13/107,816.12 - Step 6: Final answer
x = 66,949.75
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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.