Finding the Fourth Proportional to 106,858.08, 160,227.86 and 43,722.49
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Solution
The fourth proportional to 106,858.08, 160,227.86 and 43,722.49 is: 65,559.49
Step by Step Solution
- Step 1: Write the proportion equation
106,858.08 : 160,227.86 = 43,722.49 : x - Step 2: Convert to fraction form
106,858.08/160,227.86 = 43,722.49/x - Step 3: Cross multiply
106,858.08x = 160,227.86 × 43,722.49 - Step 4: Simplify right side
106,858.08x = 7,005,561,006.57 - Step 5: Solve for x
x = 7,005,561,006.57/106,858.08 - Step 6: Final answer
x = 65,559.49
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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.