Finding the Fourth Proportional to 107,247.88, 160,872.76 and 27,285.92
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Solution
The fourth proportional to 107,247.88, 160,872.76 and 27,285.92 is: 40,929.11
Step by Step Solution
- Step 1: Write the proportion equation
107,247.88 : 160,872.76 = 27,285.92 : x - Step 2: Convert to fraction form
107,247.88/160,872.76 = 27,285.92/x - Step 3: Cross multiply
107,247.88x = 160,872.76 × 27,285.92 - Step 4: Simplify right side
107,247.88x = 4,389,560,318.75 - Step 5: Solve for x
x = 4,389,560,318.75/107,247.88 - Step 6: Final answer
x = 40,929.11
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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.