Finding the Fourth Proportional to 141,742.73, 212,608.77 and 35,126.99
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Solution
The fourth proportional to 141,742.73, 212,608.77 and 35,126.99 is: 52,689.17
Step by Step Solution
- Step 1: Write the proportion equation
141,742.73 : 212,608.77 = 35,126.99 : x - Step 2: Convert to fraction form
141,742.73/212,608.77 = 35,126.99/x - Step 3: Cross multiply
141,742.73x = 212,608.77 × 35,126.99 - Step 4: Simplify right side
141,742.73x = 7,468,306,137.70 - Step 5: Solve for x
x = 7,468,306,137.70/141,742.73 - Step 6: Final answer
x = 52,689.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.