Finding the Fourth Proportional to 125,826.75, 173,642.12 and 69,239.37
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Solution
The fourth proportional to 125,826.75, 173,642.12 and 69,239.37 is: 95,550.99
Step by Step Solution
- Step 1: Write the proportion equation
125,826.75 : 173,642.12 = 69,239.37 : x - Step 2: Convert to fraction form
125,826.75/173,642.12 = 69,239.37/x - Step 3: Cross multiply
125,826.75x = 173,642.12 × 69,239.37 - Step 4: Simplify right side
125,826.75x = 12,022,870,648.07 - Step 5: Solve for x
x = 12,022,870,648.07/125,826.75 - Step 6: Final answer
x = 95,550.99
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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.