Finding the Fourth Proportional to 166,481.49, 229,745.33 and 91,029.99
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Solution
The fourth proportional to 166,481.49, 229,745.33 and 91,029.99 is: 125,621.86
Step by Step Solution
- Step 1: Write the proportion equation
166,481.49 : 229,745.33 = 91,029.99 : x - Step 2: Convert to fraction form
166,481.49/229,745.33 = 91,029.99/x - Step 3: Cross multiply
166,481.49x = 229,745.33 × 91,029.99 - Step 4: Simplify right side
166,481.49x = 20,913,715,092.45 - Step 5: Solve for x
x = 20,913,715,092.45/166,481.49 - Step 6: Final answer
x = 125,621.86
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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.