Finding the Fourth Proportional to 104,745.26, 157,118.21 and 25,859.49
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Solution
The fourth proportional to 104,745.26, 157,118.21 and 25,859.49 is: 38,789.32
Step by Step Solution
- Step 1: Write the proportion equation
104,745.26 : 157,118.21 = 25,859.49 : x - Step 2: Convert to fraction form
104,745.26/157,118.21 = 25,859.49/x - Step 3: Cross multiply
104,745.26x = 157,118.21 × 25,859.49 - Step 4: Simplify right side
104,745.26x = 4,062,997,140.78 - Step 5: Solve for x
x = 4,062,997,140.78/104,745.26 - Step 6: Final answer
x = 38,789.32
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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.