Finding the Fourth Proportional to 173,664.10, 239,703.60 and 102,067.12
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Solution
The fourth proportional to 173,664.10, 239,703.60 and 102,067.12 is: 140,880.33
Step by Step Solution
- Step 1: Write the proportion equation
173,664.10 : 239,703.60 = 102,067.12 : x - Step 2: Convert to fraction form
173,664.10/239,703.60 = 102,067.12/x - Step 3: Cross multiply
173,664.10x = 239,703.60 × 102,067.12 - Step 4: Simplify right side
173,664.10x = 24,465,856,105.63 - Step 5: Solve for x
x = 24,465,856,105.63/173,664.10 - Step 6: Final answer
x = 140,880.33
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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.