Finding the Fourth Proportional to 106,074.24, 146,377.44 and 58,329.60
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Solution
The fourth proportional to 106,074.24, 146,377.44 and 58,329.60 is: 80,492.09
Step by Step Solution
- Step 1: Write the proportion equation
106,074.24 : 146,377.44 = 58,329.60 : x - Step 2: Convert to fraction form
106,074.24/146,377.44 = 58,329.60/x - Step 3: Cross multiply
106,074.24x = 146,377.44 × 58,329.60 - Step 4: Simplify right side
106,074.24x = 8,538,137,524.22 - Step 5: Solve for x
x = 8,538,137,524.22/106,074.24 - Step 6: Final answer
x = 80,492.09
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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.