Finding the Fourth Proportional to 147,524.76, 203,581.98 and 82,989.12
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Solution
The fourth proportional to 147,524.76, 203,581.98 and 82,989.12 is: 114,523.75
Step by Step Solution
- Step 1: Write the proportion equation
147,524.76 : 203,581.98 = 82,989.12 : x - Step 2: Convert to fraction form
147,524.76/203,581.98 = 82,989.12/x - Step 3: Cross multiply
147,524.76x = 203,581.98 × 82,989.12 - Step 4: Simplify right side
147,524.76x = 16,895,089,368.06 - Step 5: Solve for x
x = 16,895,089,368.06/147,524.76 - Step 6: Final answer
x = 114,523.75
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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.