Finding the Fourth Proportional to 146,652.49, 202,380.42 and 79,584.49
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Solution
The fourth proportional to 146,652.49, 202,380.42 and 79,584.49 is: 109,826.59
Step by Step Solution
- Step 1: Write the proportion equation
146,652.49 : 202,380.42 = 79,584.49 : x - Step 2: Convert to fraction form
146,652.49/202,380.42 = 79,584.49/x - Step 3: Cross multiply
146,652.49x = 202,380.42 × 79,584.49 - Step 4: Simplify right side
146,652.49x = 16,106,342,511.69 - Step 5: Solve for x
x = 16,106,342,511.69/146,652.49 - Step 6: Final answer
x = 109,826.59
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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.