Finding the Fourth Proportional to 111,678.68, 167,516.60 and 32,790.08
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Solution
The fourth proportional to 111,678.68, 167,516.60 and 32,790.08 is: 49,184.70
Step by Step Solution
- Step 1: Write the proportion equation
111,678.68 : 167,516.60 = 32,790.08 : x - Step 2: Convert to fraction form
111,678.68/167,516.60 = 32,790.08/x - Step 3: Cross multiply
111,678.68x = 167,516.60 × 32,790.08 - Step 4: Simplify right side
111,678.68x = 5,492,882,715.33 - Step 5: Solve for x
x = 5,492,882,715.33/111,678.68 - Step 6: Final answer
x = 49,184.70
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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.