Finding the Fourth Proportional to 125,742.27, 173,525.04 and 68,382.26
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Solution
The fourth proportional to 125,742.27, 173,525.04 and 68,382.26 is: 94,367.90
Step by Step Solution
- Step 1: Write the proportion equation
125,742.27 : 173,525.04 = 68,382.26 : x - Step 2: Convert to fraction form
125,742.27/173,525.04 = 68,382.26/x - Step 3: Cross multiply
125,742.27x = 173,525.04 × 68,382.26 - Step 4: Simplify right side
125,742.27x = 11,866,034,401.79 - Step 5: Solve for x
x = 11,866,034,401.79/125,742.27 - Step 6: Final answer
x = 94,367.90
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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.