Finding the Fourth Proportional to 106,935.36, 160,424.64 and 36,817.44
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Solution
The fourth proportional to 106,935.36, 160,424.64 and 36,817.44 is: 55,233.60
Step by Step Solution
- Step 1: Write the proportion equation
106,935.36 : 160,424.64 = 36,817.44 : x - Step 2: Convert to fraction form
106,935.36/160,424.64 = 36,817.44/x - Step 3: Cross multiply
106,935.36x = 160,424.64 × 36,817.44 - Step 4: Simplify right side
106,935.36x = 5,906,424,557.72 - Step 5: Solve for x
x = 5,906,424,557.72/106,935.36 - Step 6: Final answer
x = 55,233.60
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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.