Finding the Fourth Proportional to 117,415.36, 176,128.62 and 37,461.79
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Solution
The fourth proportional to 117,415.36, 176,128.62 and 37,461.79 is: 56,194.47
Step by Step Solution
- Step 1: Write the proportion equation
117,415.36 : 176,128.62 = 37,461.79 : x - Step 2: Convert to fraction form
117,415.36/176,128.62 = 37,461.79/x - Step 3: Cross multiply
117,415.36x = 176,128.62 × 37,461.79 - Step 4: Simplify right side
117,415.36x = 6,598,093,375.43 - Step 5: Solve for x
x = 6,598,093,375.43/117,415.36 - Step 6: Final answer
x = 56,194.47
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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.