Finding the Fourth Proportional to 168,528.87, 232,568.41 and 93,075.75
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Solution
The fourth proportional to 168,528.87, 232,568.41 and 93,075.75 is: 128,443.74
Step by Step Solution
- Step 1: Write the proportion equation
168,528.87 : 232,568.41 = 93,075.75 : x - Step 2: Convert to fraction form
168,528.87/232,568.41 = 93,075.75/x - Step 3: Cross multiply
168,528.87x = 232,568.41 × 93,075.75 - Step 4: Simplify right side
168,528.87x = 21,646,479,187.06 - Step 5: Solve for x
x = 21,646,479,187.06/168,528.87 - Step 6: Final answer
x = 128,443.74
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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.