Finding the Fourth Proportional to 193,063.23, 266,439.69 and 107,025.84
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Solution
The fourth proportional to 193,063.23, 266,439.69 and 107,025.84 is: 147,702.55
Step by Step Solution
- Step 1: Write the proportion equation
193,063.23 : 266,439.69 = 107,025.84 : x - Step 2: Convert to fraction form
193,063.23/266,439.69 = 107,025.84/x - Step 3: Cross multiply
193,063.23x = 266,439.69 × 107,025.84 - Step 4: Simplify right side
193,063.23x = 28,515,931,631.59 - Step 5: Solve for x
x = 28,515,931,631.59/193,063.23 - Step 6: Final answer
x = 147,702.55
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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.