Finding the Fourth Proportional to 118,552.26, 177,844.74 and 48,415.20
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Solution
The fourth proportional to 118,552.26, 177,844.74 and 48,415.20 is: 72,629.48
Step by Step Solution
- Step 1: Write the proportion equation
118,552.26 : 177,844.74 = 48,415.20 : x - Step 2: Convert to fraction form
118,552.26/177,844.74 = 48,415.20/x - Step 3: Cross multiply
118,552.26x = 177,844.74 × 48,415.20 - Step 4: Simplify right side
118,552.26x = 8,610,388,656.05 - Step 5: Solve for x
x = 8,610,388,656.05/118,552.26 - Step 6: Final answer
x = 72,629.48
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1.5x scale
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.