Finding the Fourth Proportional to 118,286.36, 177,428.62 and 29,539.27
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Solution
The fourth proportional to 118,286.36, 177,428.62 and 29,539.27 is: 44,308.68
Step by Step Solution
- Step 1: Write the proportion equation
118,286.36 : 177,428.62 = 29,539.27 : x - Step 2: Convert to fraction form
118,286.36/177,428.62 = 29,539.27/x - Step 3: Cross multiply
118,286.36x = 177,428.62 × 29,539.27 - Step 4: Simplify right side
118,286.36x = 5,241,111,911.91 - Step 5: Solve for x
x = 5,241,111,911.91/118,286.36 - Step 6: Final answer
x = 44,308.68
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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.