Finding the Fourth Proportional to 118,729.92, 178,093.38 and 47,684
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Solution
The fourth proportional to 118,729.92, 178,093.38 and 47,684 is: 71,525.40
Step by Step Solution
- Step 1: Write the proportion equation
118,729.92 : 178,093.38 = 47,684 : x - Step 2: Convert to fraction form
118,729.92/178,093.38 = 47,684/x - Step 3: Cross multiply
118,729.92x = 178,093.38 × 47,684 - Step 4: Simplify right side
118,729.92x = 8,492,204,731.92 - Step 5: Solve for x
x = 8,492,204,731.92/118,729.92 - Step 6: Final answer
x = 71,525.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.