Finding the Fourth Proportional to 273,361.28, 409,995.18 and 73,634.96
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Solution
The fourth proportional to 273,361.28, 409,995.18 and 73,634.96 is: 110,439.85
Step by Step Solution
- Step 1: Write the proportion equation
273,361.28 : 409,995.18 = 73,634.96 : x - Step 2: Convert to fraction form
273,361.28/409,995.18 = 73,634.96/x - Step 3: Cross multiply
273,361.28x = 409,995.18 × 73,634.96 - Step 4: Simplify right side
273,361.28x = 30,189,979,704.48 - Step 5: Solve for x
x = 30,189,979,704.48/273,361.28 - Step 6: Final answer
x = 110,439.85
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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.