Finding the Fourth Proportional to 126,274.19, 174,252.89 and 68,912.06
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Solution
The fourth proportional to 126,274.19, 174,252.89 and 68,912.06 is: 95,095.64
Step by Step Solution
- Step 1: Write the proportion equation
126,274.19 : 174,252.89 = 68,912.06 : x - Step 2: Convert to fraction form
126,274.19/174,252.89 = 68,912.06/x - Step 3: Cross multiply
126,274.19x = 174,252.89 × 68,912.06 - Step 4: Simplify right side
126,274.19x = 12,008,124,911.87 - Step 5: Solve for x
x = 12,008,124,911.87/126,274.19 - Step 6: Final answer
x = 95,095.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.