Finding the Fourth Proportional to 146,593.75, 202,299.38 and 79,525.75
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Solution
The fourth proportional to 146,593.75, 202,299.38 and 79,525.75 is: 109,745.54
Step by Step Solution
- Step 1: Write the proportion equation
146,593.75 : 202,299.38 = 79,525.75 : x - Step 2: Convert to fraction form
146,593.75/202,299.38 = 79,525.75/x - Step 3: Cross multiply
146,593.75x = 202,299.38 × 79,525.75 - Step 4: Simplify right side
146,593.75x = 16,088,009,919.04 - Step 5: Solve for x
x = 16,088,009,919.04/146,593.75 - Step 6: Final answer
x = 109,745.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.