Finding the Fourth Proportional to 116,415.09, 174,623.85 and 93,189.15
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Solution
The fourth proportional to 116,415.09, 174,623.85 and 93,189.15 is: 139,784.70
Step by Step Solution
- Step 1: Write the proportion equation
116,415.09 : 174,623.85 = 93,189.15 : x - Step 2: Convert to fraction form
116,415.09/174,623.85 = 93,189.15/x - Step 3: Cross multiply
116,415.09x = 174,623.85 × 93,189.15 - Step 4: Simplify right side
116,415.09x = 16,273,048,151.23 - Step 5: Solve for x
x = 16,273,048,151.23/116,415.09 - Step 6: Final answer
x = 139,784.70
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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.