Finding the Fourth Proportional to 118,181.92, 177,220.96 and 44,258.08
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Solution
The fourth proportional to 118,181.92, 177,220.96 and 44,258.08 is: 66,367.68
Step by Step Solution
- Step 1: Write the proportion equation
118,181.92 : 177,220.96 = 44,258.08 : x - Step 2: Convert to fraction form
118,181.92/177,220.96 = 44,258.08/x - Step 3: Cross multiply
118,181.92x = 177,220.96 × 44,258.08 - Step 4: Simplify right side
118,181.92x = 7,843,459,425.36 - Step 5: Solve for x
x = 7,843,459,425.36/118,181.92 - Step 6: Final answer
x = 66,367.68
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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.