Finding the Fourth Proportional to 94,451.11, 141,676.49 and 64,778.99
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Solution
The fourth proportional to 94,451.11, 141,676.49 and 64,778.99 is: 97,168.36
Step by Step Solution
- Step 1: Write the proportion equation
94,451.11 : 141,676.49 = 64,778.99 : x - Step 2: Convert to fraction form
94,451.11/141,676.49 = 64,778.99/x - Step 3: Cross multiply
94,451.11x = 141,676.49 × 64,778.99 - Step 4: Simplify right side
94,451.11x = 9,177,659,382.51 - Step 5: Solve for x
x = 9,177,659,382.51/94,451.11 - Step 6: Final answer
x = 97,168.36
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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.