Finding the Fourth Proportional to 125,858.96, 173,682.06 and 68,499.44
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Solution
The fourth proportional to 125,858.96, 173,682.06 and 68,499.44 is: 94,527.43
Step by Step Solution
- Step 1: Write the proportion equation
125,858.96 : 173,682.06 = 68,499.44 : x - Step 2: Convert to fraction form
125,858.96/173,682.06 = 68,499.44/x - Step 3: Cross multiply
125,858.96x = 173,682.06 × 68,499.44 - Step 4: Simplify right side
125,858.96x = 11,897,123,848.05 - Step 5: Solve for x
x = 11,897,123,848.05/125,858.96 - Step 6: Final answer
x = 94,527.43
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1.5x scale
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.