Finding the Fourth Proportional to 204,903.36, 282,786.80 and 124,324.56
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Solution
The fourth proportional to 204,903.36, 282,786.80 and 124,324.56 is: 171,580.12
Step by Step Solution
- Step 1: Write the proportion equation
204,903.36 : 282,786.80 = 124,324.56 : x - Step 2: Convert to fraction form
204,903.36/282,786.80 = 124,324.56/x - Step 3: Cross multiply
204,903.36x = 282,786.80 × 124,324.56 - Step 4: Simplify right side
204,903.36x = 35,157,343,862.19 - Step 5: Solve for x
x = 35,157,343,862.19/204,903.36 - Step 6: Final answer
x = 171,580.12
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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.