Finding the Fourth Proportional to 127,067.11, 190,527.75 and 48,130.99
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Solution
The fourth proportional to 127,067.11, 190,527.75 and 48,130.99 is: 72,168.87
Step by Step Solution
- Step 1: Write the proportion equation
127,067.11 : 190,527.75 = 48,130.99 : x - Step 2: Convert to fraction form
127,067.11/190,527.75 = 48,130.99/x - Step 3: Cross multiply
127,067.11x = 190,527.75 × 48,130.99 - Step 4: Simplify right side
127,067.11x = 9,170,289,229.97 - Step 5: Solve for x
x = 9,170,289,229.97/127,067.11 - Step 6: Final answer
x = 72,168.87
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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.