Finding the Fourth Proportional to 204,701.14, 307,009.36 and 54,905.79
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Solution
The fourth proportional to 204,701.14, 307,009.36 and 54,905.79 is: 82,347.33
Step by Step Solution
- Step 1: Write the proportion equation
204,701.14 : 307,009.36 = 54,905.79 : x - Step 2: Convert to fraction form
204,701.14/307,009.36 = 54,905.79/x - Step 3: Cross multiply
204,701.14x = 307,009.36 × 54,905.79 - Step 4: Simplify right side
204,701.14x = 16,856,591,448.19 - Step 5: Solve for x
x = 16,856,591,448.19/204,701.14 - Step 6: Final answer
x = 82,347.33
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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.