Finding the Fourth Proportional to 136,324.22, 204,497.26 and 47,575.76
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Solution
The fourth proportional to 136,324.22, 204,497.26 and 47,575.76 is: 71,367.45
Step by Step Solution
- Step 1: Write the proportion equation
136,324.22 : 204,497.26 = 47,575.76 : x - Step 2: Convert to fraction form
136,324.22/204,497.26 = 47,575.76/x - Step 3: Cross multiply
136,324.22x = 204,497.26 × 47,575.76 - Step 4: Simplify right side
136,324.22x = 9,729,111,420.99 - Step 5: Solve for x
x = 9,729,111,420.99/136,324.22 - Step 6: Final answer
x = 71,367.45
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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.