Finding the Fourth Proportional to 125,532.92, 173,234.89 and 68,171.84
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Solution
The fourth proportional to 125,532.92, 173,234.89 and 68,171.84 is: 94,076.84
Step by Step Solution
- Step 1: Write the proportion equation
125,532.92 : 173,234.89 = 68,171.84 : x - Step 2: Convert to fraction form
125,532.92/173,234.89 = 68,171.84/x - Step 3: Cross multiply
125,532.92x = 173,234.89 × 68,171.84 - Step 4: Simplify right side
125,532.92x = 11,809,741,072.17 - Step 5: Solve for x
x = 11,809,741,072.17/125,532.92 - Step 6: Final answer
x = 94,076.84
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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.