Finding the Fourth Proportional to 202,792.11, 304,231.01 and 76,429.68
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Solution
The fourth proportional to 202,792.11, 304,231.01 and 76,429.68 is: 114,660.67
Step by Step Solution
- Step 1: Write the proportion equation
202,792.11 : 304,231.01 = 76,429.68 : x - Step 2: Convert to fraction form
202,792.11/304,231.01 = 76,429.68/x - Step 3: Cross multiply
202,792.11x = 304,231.01 × 76,429.68 - Step 4: Simplify right side
202,792.11x = 23,252,278,358.23 - Step 5: Solve for x
x = 23,252,278,358.23/202,792.11 - Step 6: Final answer
x = 114,660.67
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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.