Finding the Fourth Proportional to 106,757.92, 160,193.99 and 69,309.19
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Solution
The fourth proportional to 106,757.92, 160,193.99 and 69,309.19 is: 104,000.86
Step by Step Solution
- Step 1: Write the proportion equation
106,757.92 : 160,193.99 = 69,309.19 : x - Step 2: Convert to fraction form
106,757.92/160,193.99 = 69,309.19/x - Step 3: Cross multiply
106,757.92x = 160,193.99 × 69,309.19 - Step 4: Simplify right side
106,757.92x = 11,102,915,343.22 - Step 5: Solve for x
x = 11,102,915,343.22/106,757.92 - Step 6: Final answer
x = 104,000.86
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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.