Finding the Fourth Proportional to 110,787.75, 166,181.63 and 27,681.75
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Solution
The fourth proportional to 110,787.75, 166,181.63 and 27,681.75 is: 41,522.63
Step by Step Solution
- Step 1: Write the proportion equation
110,787.75 : 166,181.63 = 27,681.75 : x - Step 2: Convert to fraction form
110,787.75/166,181.63 = 27,681.75/x - Step 3: Cross multiply
110,787.75x = 166,181.63 × 27,681.75 - Step 4: Simplify right side
110,787.75x = 4,600,198,197.84 - Step 5: Solve for x
x = 4,600,198,197.84/110,787.75 - Step 6: Final answer
x = 41,522.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.