Finding the Fourth Proportional to 209,569.05, 312,832.05 and 193,957.11
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Solution
The fourth proportional to 209,569.05, 312,832.05 and 193,957.11 is: 289,527.49
Step by Step Solution
- Step 1: Write the proportion equation
209,569.05 : 312,832.05 = 193,957.11 : x - Step 2: Convert to fraction form
209,569.05/312,832.05 = 193,957.11/x - Step 3: Cross multiply
209,569.05x = 312,832.05 × 193,957.11 - Step 4: Simplify right side
209,569.05x = 60,676,000,333.38 - Step 5: Solve for x
x = 60,676,000,333.38/209,569.05 - Step 6: Final answer
x = 289,527.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.