Finding the Fourth Proportional to 125,790.44, 173,591.06 and 69,205.32
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Solution
The fourth proportional to 125,790.44, 173,591.06 and 69,205.32 is: 95,503.48
Step by Step Solution
- Step 1: Write the proportion equation
125,790.44 : 173,591.06 = 69,205.32 : x - Step 2: Convert to fraction form
125,790.44/173,591.06 = 69,205.32/x - Step 3: Cross multiply
125,790.44x = 173,591.06 × 69,205.32 - Step 4: Simplify right side
125,790.44x = 12,013,424,856.44 - Step 5: Solve for x
x = 12,013,424,856.44/125,790.44 - Step 6: Final answer
x = 95,503.48
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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.