Finding the Fourth Proportional to 125,633.18, 173,374.47 and 68,272.97
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Solution
The fourth proportional to 125,633.18, 173,374.47 and 68,272.97 is: 94,217.07
Step by Step Solution
- Step 1: Write the proportion equation
125,633.18 : 173,374.47 = 68,272.97 : x - Step 2: Convert to fraction form
125,633.18/173,374.47 = 68,272.97/x - Step 3: Cross multiply
125,633.18x = 173,374.47 × 68,272.97 - Step 4: Simplify right side
125,633.18x = 11,836,789,122.20 - Step 5: Solve for x
x = 11,836,789,122.20/125,633.18 - Step 6: Final answer
x = 94,217.07
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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.