Finding the Fourth Proportional to 141,639.24, 212,458.89 and 46,843.99
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Solution
The fourth proportional to 141,639.24, 212,458.89 and 46,843.99 is: 70,265.99
Step by Step Solution
- Step 1: Write the proportion equation
141,639.24 : 212,458.89 = 46,843.99 : x - Step 2: Convert to fraction form
141,639.24/212,458.89 = 46,843.99/x - Step 3: Cross multiply
141,639.24x = 212,458.89 × 46,843.99 - Step 4: Simplify right side
141,639.24x = 9,952,422,118.57 - Step 5: Solve for x
x = 9,952,422,118.57/141,639.24 - Step 6: Final answer
x = 70,265.99
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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.