Finding the Fourth Proportional to 303,161.22, 418,386.42 and 167,207.58
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Solution
The fourth proportional to 303,161.22, 418,386.42 and 167,207.58 is: 230,759.66
Step by Step Solution
- Step 1: Write the proportion equation
303,161.22 : 418,386.42 = 167,207.58 : x - Step 2: Convert to fraction form
303,161.22/418,386.42 = 167,207.58/x - Step 3: Cross multiply
303,161.22x = 418,386.42 × 167,207.58 - Step 4: Simplify right side
303,161.22x = 69,957,380,793.06 - Step 5: Solve for x
x = 69,957,380,793.06/303,161.22 - Step 6: Final answer
x = 230,759.66
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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.