Finding the Fourth Proportional to 272,527.05, 408,790.71 and 122,592.18
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Solution
The fourth proportional to 272,527.05, 408,790.71 and 122,592.18 is: 183,888.33
Step by Step Solution
- Step 1: Write the proportion equation
272,527.05 : 408,790.71 = 122,592.18 : x - Step 2: Convert to fraction form
272,527.05/408,790.71 = 122,592.18/x - Step 3: Cross multiply
272,527.05x = 408,790.71 × 122,592.18 - Step 4: Simplify right side
272,527.05x = 50,114,544,302.65 - Step 5: Solve for x
x = 50,114,544,302.65/272,527.05 - Step 6: Final answer
x = 183,888.33
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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.