Finding the Fourth Proportional to 168,646.08, 232,732.19 and 92,165.21
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Solution
The fourth proportional to 168,646.08, 232,732.19 and 92,165.21 is: 127,188.32
Step by Step Solution
- Step 1: Write the proportion equation
168,646.08 : 232,732.19 = 92,165.21 : x - Step 2: Convert to fraction form
168,646.08/232,732.19 = 92,165.21/x - Step 3: Cross multiply
168,646.08x = 232,732.19 × 92,165.21 - Step 4: Simplify right side
168,646.08x = 21,449,811,165.11 - Step 5: Solve for x
x = 21,449,811,165.11/168,646.08 - Step 6: Final answer
x = 127,188.32
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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.