Finding the Fourth Proportional to 120,805.28, 181,193.84 and 32,065.68
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Solution
The fourth proportional to 120,805.28, 181,193.84 and 32,065.68 is: 48,094.78
Step by Step Solution
- Step 1: Write the proportion equation
120,805.28 : 181,193.84 = 32,065.68 : x - Step 2: Convert to fraction form
120,805.28/181,193.84 = 32,065.68/x - Step 3: Cross multiply
120,805.28x = 181,193.84 × 32,065.68 - Step 4: Simplify right side
120,805.28x = 5,810,103,491.96 - Step 5: Solve for x
x = 5,810,103,491.96/120,805.28 - Step 6: Final answer
x = 48,094.78
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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.