Finding the Fourth Proportional to 112,393.23, 167,769.99 and 98,205.33
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Solution
The fourth proportional to 112,393.23, 167,769.99 and 98,205.33 is: 146,591.63
Step by Step Solution
- Step 1: Write the proportion equation
112,393.23 : 167,769.99 = 98,205.33 : x - Step 2: Convert to fraction form
112,393.23/167,769.99 = 98,205.33/x - Step 3: Cross multiply
112,393.23x = 167,769.99 × 98,205.33 - Step 4: Simplify right side
112,393.23x = 16,475,907,232.05 - Step 5: Solve for x
x = 16,475,907,232.05/112,393.23 - Step 6: Final answer
x = 146,591.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.