Finding the Fourth Proportional to 106,853.07, 160,220.36 and 43,717.49
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Solution
The fourth proportional to 106,853.07, 160,220.36 and 43,717.49 is: 65,551.99
Step by Step Solution
- Step 1: Write the proportion equation
106,853.07 : 160,220.36 = 43,717.49 : x - Step 2: Convert to fraction form
106,853.07/160,220.36 = 43,717.49/x - Step 3: Cross multiply
106,853.07x = 160,220.36 × 43,717.49 - Step 4: Simplify right side
106,853.07x = 7,004,431,895.11 - Step 5: Solve for x
x = 7,004,431,895.11/106,853.07 - Step 6: Final answer
x = 65,551.99
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1.5x scale
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.