Finding the Fourth Proportional to 168,604.41, 232,671.34 and 92,121.87
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Solution
The fourth proportional to 168,604.41, 232,671.34 and 92,121.87 is: 127,126.68
Step by Step Solution
- Step 1: Write the proportion equation
168,604.41 : 232,671.34 = 92,121.87 : x - Step 2: Convert to fraction form
168,604.41/232,671.34 = 92,121.87/x - Step 3: Cross multiply
168,604.41x = 232,671.34 × 92,121.87 - Step 4: Simplify right side
168,604.41x = 21,434,118,936.21 - Step 5: Solve for x
x = 21,434,118,936.21/168,604.41 - Step 6: Final answer
x = 127,126.68
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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.