Finding the Fourth Proportional to 110,963.52, 166,251.49 and 92,363.09
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Solution
The fourth proportional to 110,963.52, 166,251.49 and 92,363.09 is: 138,383.32
Step by Step Solution
- Step 1: Write the proportion equation
110,963.52 : 166,251.49 = 92,363.09 : x - Step 2: Convert to fraction form
110,963.52/166,251.49 = 92,363.09/x - Step 3: Cross multiply
110,963.52x = 166,251.49 × 92,363.09 - Step 4: Simplify right side
110,963.52x = 15,355,500,271.34 - Step 5: Solve for x
x = 15,355,500,271.34/110,963.52 - Step 6: Final answer
x = 138,383.32
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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.