Finding the Fourth Proportional to 181,039.24, 271,471.38 and 79,824.88
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Solution
The fourth proportional to 181,039.24, 271,471.38 and 79,824.88 is: 119,698.75
Step by Step Solution
- Step 1: Write the proportion equation
181,039.24 : 271,471.38 = 79,824.88 : x - Step 2: Convert to fraction form
181,039.24/271,471.38 = 79,824.88/x - Step 3: Cross multiply
181,039.24x = 271,471.38 × 79,824.88 - Step 4: Simplify right side
181,039.24x = 21,670,170,331.93 - Step 5: Solve for x
x = 21,670,170,331.93/181,039.24 - Step 6: Final answer
x = 119,698.75
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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.