Finding the Fourth Proportional to 107,116.69, 160,476.38 and 53,745.99
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Solution
The fourth proportional to 107,116.69, 160,476.38 and 53,745.99 is: 80,519.31
Step by Step Solution
- Step 1: Write the proportion equation
107,116.69 : 160,476.38 = 53,745.99 : x - Step 2: Convert to fraction form
107,116.69/160,476.38 = 53,745.99/x - Step 3: Cross multiply
107,116.69x = 160,476.38 × 53,745.99 - Step 4: Simplify right side
107,116.69x = 8,624,961,645.99 - Step 5: Solve for x
x = 8,624,961,645.99/107,116.69 - Step 6: Final answer
x = 80,519.31
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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.