Finding the Fourth Proportional to 140,896.62, 211,353.37 and 46,136.79
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Solution
The fourth proportional to 140,896.62, 211,353.37 and 46,136.79 is: 69,207.95
Step by Step Solution
- Step 1: Write the proportion equation
140,896.62 : 211,353.37 = 46,136.79 : x - Step 2: Convert to fraction form
140,896.62/211,353.37 = 46,136.79/x - Step 3: Cross multiply
140,896.62x = 211,353.37 × 46,136.79 - Step 4: Simplify right side
140,896.62x = 9,751,165,932.14 - Step 5: Solve for x
x = 9,751,165,932.14/140,896.62 - Step 6: Final answer
x = 69,207.95
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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.