Finding the Fourth Proportional to 106,836.54, 160,195.64 and 43,700.99
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Solution
The fourth proportional to 106,836.54, 160,195.64 and 43,700.99 is: 65,527.28
Step by Step Solution
- Step 1: Write the proportion equation
106,836.54 : 160,195.64 = 43,700.99 : x - Step 2: Convert to fraction form
106,836.54/160,195.64 = 43,700.99/x - Step 3: Cross multiply
106,836.54x = 160,195.64 × 43,700.99 - Step 4: Simplify right side
106,836.54x = 7,000,707,943.30 - Step 5: Solve for x
x = 7,000,707,943.30/106,836.54 - Step 6: Final answer
x = 65,527.28
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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.