Finding the Fourth Proportional to 118,575.69, 177,863.76 and 29,828.60
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Solution
The fourth proportional to 118,575.69, 177,863.76 and 29,828.60 is: 44,742.95
Step by Step Solution
- Step 1: Write the proportion equation
118,575.69 : 177,863.76 = 29,828.60 : x - Step 2: Convert to fraction form
118,575.69/177,863.76 = 29,828.60/x - Step 3: Cross multiply
118,575.69x = 177,863.76 × 29,828.60 - Step 4: Simplify right side
118,575.69x = 5,305,426,062.22 - Step 5: Solve for x
x = 5,305,426,062.22/118,575.69 - Step 6: Final answer
x = 44,742.95
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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.