Finding the Fourth Proportional to 168,702.24, 232,809.15 and 92,221.68
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Solution
The fourth proportional to 168,702.24, 232,809.15 and 92,221.68 is: 127,265.95
Step by Step Solution
- Step 1: Write the proportion equation
168,702.24 : 232,809.15 = 92,221.68 : x - Step 2: Convert to fraction form
168,702.24/232,809.15 = 92,221.68/x - Step 3: Cross multiply
168,702.24x = 232,809.15 × 92,221.68 - Step 4: Simplify right side
168,702.24x = 21,470,050,932.37 - Step 5: Solve for x
x = 21,470,050,932.37/168,702.24 - Step 6: Final answer
x = 127,265.95
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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.