Finding the Fourth Proportional to 104,852.28, 144,696.92 and 57,104.68
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Solution
The fourth proportional to 104,852.28, 144,696.92 and 57,104.68 is: 78,804.88
Step by Step Solution
- Step 1: Write the proportion equation
104,852.28 : 144,696.92 = 57,104.68 : x - Step 2: Convert to fraction form
104,852.28/144,696.92 = 57,104.68/x - Step 3: Cross multiply
104,852.28x = 144,696.92 × 57,104.68 - Step 4: Simplify right side
104,852.28x = 8,262,871,313.59 - Step 5: Solve for x
x = 8,262,871,313.59/104,852.28 - Step 6: Final answer
x = 78,804.88
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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.