Finding the Fourth Proportional to 118,541.26, 177,810.67 and 29,792.80
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Solution
The fourth proportional to 118,541.26, 177,810.67 and 29,792.80 is: 44,688.89
Step by Step Solution
- Step 1: Write the proportion equation
118,541.26 : 177,810.67 = 29,792.80 : x - Step 2: Convert to fraction form
118,541.26/177,810.67 = 29,792.80/x - Step 3: Cross multiply
118,541.26x = 177,810.67 × 29,792.80 - Step 4: Simplify right side
118,541.26x = 5,297,477,729.18 - Step 5: Solve for x
x = 5,297,477,729.18/118,541.26 - Step 6: Final answer
x = 44,688.89
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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.