Finding the Fourth Proportional to 164,657.12, 227,227.06 and 89,205.62
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Solution
The fourth proportional to 164,657.12, 227,227.06 and 89,205.62 is: 123,103.88
Step by Step Solution
- Step 1: Write the proportion equation
164,657.12 : 227,227.06 = 89,205.62 : x - Step 2: Convert to fraction form
164,657.12/227,227.06 = 89,205.62/x - Step 3: Cross multiply
164,657.12x = 227,227.06 × 89,205.62 - Step 4: Simplify right side
164,657.12x = 20,269,930,768.08 - Step 5: Solve for x
x = 20,269,930,768.08/164,657.12 - Step 6: Final answer
x = 123,103.88
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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.