Finding the Fourth Proportional to 119,874.29, 165,371.69 and 69,544.13
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Solution
The fourth proportional to 119,874.29, 165,371.69 and 69,544.13 is: 95,939.09
Step by Step Solution
- Step 1: Write the proportion equation
119,874.29 : 165,371.69 = 69,544.13 : x - Step 2: Convert to fraction form
119,874.29/165,371.69 = 69,544.13/x - Step 3: Cross multiply
119,874.29x = 165,371.69 × 69,544.13 - Step 4: Simplify right side
119,874.29x = 11,500,629,654.68 - Step 5: Solve for x
x = 11,500,629,654.68/119,874.29 - Step 6: Final answer
x = 95,939.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.