Finding the Fourth Proportional to 165,766.70, 248,651.80 and 132,696.99
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Solution
The fourth proportional to 165,766.70, 248,651.80 and 132,696.99 is: 199,046.88
Step by Step Solution
- Step 1: Write the proportion equation
165,766.70 : 248,651.80 = 132,696.99 : x - Step 2: Convert to fraction form
165,766.70/248,651.80 = 132,696.99/x - Step 3: Cross multiply
165,766.70x = 248,651.80 × 132,696.99 - Step 4: Simplify right side
165,766.70x = 32,995,345,086.34 - Step 5: Solve for x
x = 32,995,345,086.34/165,766.70 - Step 6: Final answer
x = 199,046.88
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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.