Finding the Fourth Proportional to 117,469.68, 176,122.80 and 37,481.28
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Solution
The fourth proportional to 117,469.68, 176,122.80 and 37,481.28 is: 56,195.85
Step by Step Solution
- Step 1: Write the proportion equation
117,469.68 : 176,122.80 = 37,481.28 : x - Step 2: Convert to fraction form
117,469.68/176,122.80 = 37,481.28/x - Step 3: Cross multiply
117,469.68x = 176,122.80 × 37,481.28 - Step 4: Simplify right side
117,469.68x = 6,601,307,981.18 - Step 5: Solve for x
x = 6,601,307,981.18/117,469.68 - Step 6: Final answer
x = 56,195.85
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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.