Finding the Fourth Proportional to 146,793.64, 202,576.26 and 79,725.64
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Solution
The fourth proportional to 146,793.64, 202,576.26 and 79,725.64 is: 110,021.95
Step by Step Solution
- Step 1: Write the proportion equation
146,793.64 : 202,576.26 = 79,725.64 : x - Step 2: Convert to fraction form
146,793.64/202,576.26 = 79,725.64/x - Step 3: Cross multiply
146,793.64x = 202,576.26 × 79,725.64 - Step 4: Simplify right side
146,793.64x = 16,150,521,977.31 - Step 5: Solve for x
x = 16,150,521,977.31/146,793.64 - Step 6: Final answer
x = 110,021.95
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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.