Finding the Fourth Proportional to 118,240.44, 177,524.64 and 74,041.08
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Solution
The fourth proportional to 118,240.44, 177,524.64 and 74,041.08 is: 111,164.30
Step by Step Solution
- Step 1: Write the proportion equation
118,240.44 : 177,524.64 = 74,041.08 : x - Step 2: Convert to fraction form
118,240.44/177,524.64 = 74,041.08/x - Step 3: Cross multiply
118,240.44x = 177,524.64 × 74,041.08 - Step 4: Simplify right side
118,240.44x = 13,144,116,072.21 - Step 5: Solve for x
x = 13,144,116,072.21/118,240.44 - Step 6: Final answer
x = 111,164.30
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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.