Finding the Fourth Proportional to 117,840.42, 176,760.99 and 29,093.94
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Solution
The fourth proportional to 117,840.42, 176,760.99 and 29,093.94 is: 43,640.99
Step by Step Solution
- Step 1: Write the proportion equation
117,840.42 : 176,760.99 = 29,093.94 : x - Step 2: Convert to fraction form
117,840.42/176,760.99 = 29,093.94/x - Step 3: Cross multiply
117,840.42x = 176,760.99 × 29,093.94 - Step 4: Simplify right side
117,840.42x = 5,142,672,608.13 - Step 5: Solve for x
x = 5,142,672,608.13/117,840.42 - Step 6: Final answer
x = 43,640.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.