Finding the Fourth Proportional to 100,299.24, 149,403.87 and 94,974.44
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Solution
The fourth proportional to 100,299.24, 149,403.87 and 94,974.44 is: 141,472.14
Step by Step Solution
- Step 1: Write the proportion equation
100,299.24 : 149,403.87 = 94,974.44 : x - Step 2: Convert to fraction form
100,299.24/149,403.87 = 94,974.44/x - Step 3: Cross multiply
100,299.24x = 149,403.87 × 94,974.44 - Step 4: Simplify right side
100,299.24x = 14,189,548,140.06 - Step 5: Solve for x
x = 14,189,548,140.06/100,299.24 - Step 6: Final answer
x = 141,472.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.