Finding the Fourth Proportional to 168,285.52, 232,238.84 and 92,838.88
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Solution
The fourth proportional to 168,285.52, 232,238.84 and 92,838.88 is: 128,120.31
Step by Step Solution
- Step 1: Write the proportion equation
168,285.52 : 232,238.84 = 92,838.88 : x - Step 2: Convert to fraction form
168,285.52/232,238.84 = 92,838.88/x - Step 3: Cross multiply
168,285.52x = 232,238.84 × 92,838.88 - Step 4: Simplify right side
168,285.52x = 21,560,793,798.10 - Step 5: Solve for x
x = 21,560,793,798.10/168,285.52 - Step 6: Final answer
x = 128,120.31
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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.