Finding the Fourth Proportional to 118,194.24, 177,009.44 and 68,169.68
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Solution
The fourth proportional to 118,194.24, 177,009.44 and 68,169.68 is: 102,091.92
Step by Step Solution
- Step 1: Write the proportion equation
118,194.24 : 177,009.44 = 68,169.68 : x - Step 2: Convert to fraction form
118,194.24/177,009.44 = 68,169.68/x - Step 3: Cross multiply
118,194.24x = 177,009.44 × 68,169.68 - Step 4: Simplify right side
118,194.24x = 12,066,676,881.78 - Step 5: Solve for x
x = 12,066,676,881.78/118,194.24 - Step 6: Final answer
x = 102,091.92
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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.