Finding the Fourth Proportional to 75,754.26, 113,631.66 and 23,163.66
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Solution
The fourth proportional to 75,754.26, 113,631.66 and 23,163.66 is: 34,745.57
Step by Step Solution
- Step 1: Write the proportion equation
75,754.26 : 113,631.66 = 23,163.66 : x - Step 2: Convert to fraction form
75,754.26/113,631.66 = 23,163.66/x - Step 3: Cross multiply
75,754.26x = 113,631.66 × 23,163.66 - Step 4: Simplify right side
75,754.26x = 2,632,125,137.48 - Step 5: Solve for x
x = 2,632,125,137.48/75,754.26 - Step 6: Final answer
x = 34,745.57
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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.