Finding the Fourth Proportional to 118,493.69, 177,735.02 and 29,745.23
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Solution
The fourth proportional to 118,493.69, 177,735.02 and 29,745.23 is: 44,616.45
Step by Step Solution
- Step 1: Write the proportion equation
118,493.69 : 177,735.02 = 29,745.23 : x - Step 2: Convert to fraction form
118,493.69/177,735.02 = 29,745.23/x - Step 3: Cross multiply
118,493.69x = 177,735.02 × 29,745.23 - Step 4: Simplify right side
118,493.69x = 5,286,768,011.55 - Step 5: Solve for x
x = 5,286,768,011.55/118,493.69 - Step 6: Final answer
x = 44,616.45
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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.