Finding the Fourth Proportional to 124,205.06, 171,403.02 and 67,616.44
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Solution
The fourth proportional to 124,205.06, 171,403.02 and 67,616.44 is: 93,310.70
Step by Step Solution
- Step 1: Write the proportion equation
124,205.06 : 171,403.02 = 67,616.44 : x - Step 2: Convert to fraction form
124,205.06/171,403.02 = 67,616.44/x - Step 3: Cross multiply
124,205.06x = 171,403.02 × 67,616.44 - Step 4: Simplify right side
124,205.06x = 11,589,661,589.14 - Step 5: Solve for x
x = 11,589,661,589.14/124,205.06 - Step 6: Final answer
x = 93,310.70
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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.