Finding the Fourth Proportional to 125,893.20, 173,732.62 and 68,532.94
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Solution
The fourth proportional to 125,893.20, 173,732.62 and 68,532.94 is: 94,575.45
Step by Step Solution
- Step 1: Write the proportion equation
125,893.20 : 173,732.62 = 68,532.94 : x - Step 2: Convert to fraction form
125,893.20/173,732.62 = 68,532.94/x - Step 3: Cross multiply
125,893.20x = 173,732.62 × 68,532.94 - Step 4: Simplify right side
125,893.20x = 11,906,407,081.93 - Step 5: Solve for x
x = 11,906,407,081.93/125,893.20 - Step 6: Final answer
x = 94,575.45
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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.