Finding the Fourth Proportional to 116,049.36, 160,136.04 and 68,299.84
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Solution
The fourth proportional to 116,049.36, 160,136.04 and 68,299.84 is: 94,246.67
Step by Step Solution
- Step 1: Write the proportion equation
116,049.36 : 160,136.04 = 68,299.84 : x - Step 2: Convert to fraction form
116,049.36/160,136.04 = 68,299.84/x - Step 3: Cross multiply
116,049.36x = 160,136.04 × 68,299.84 - Step 4: Simplify right side
116,049.36x = 10,937,265,910.23 - Step 5: Solve for x
x = 10,937,265,910.23/116,049.36 - Step 6: Final answer
x = 94,246.67
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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.