Finding the Fourth Proportional to 106,224.87, 159,435.86 and 53,671.26
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Solution
The fourth proportional to 106,224.87, 159,435.86 and 53,671.26 is: 80,556.68
Step by Step Solution
- Step 1: Write the proportion equation
106,224.87 : 159,435.86 = 53,671.26 : x - Step 2: Convert to fraction form
106,224.87/159,435.86 = 53,671.26/x - Step 3: Cross multiply
106,224.87x = 159,435.86 × 53,671.26 - Step 4: Simplify right side
106,224.87x = 8,557,123,227.03 - Step 5: Solve for x
x = 8,557,123,227.03/106,224.87 - Step 6: Final answer
x = 80,556.68
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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.