Finding the Fourth Proportional to 110,964.52, 166,252.99 and 92,364.09
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Solution
The fourth proportional to 110,964.52, 166,252.99 and 92,364.09 is: 138,384.83
Step by Step Solution
- Step 1: Write the proportion equation
110,964.52 : 166,252.99 = 92,364.09 : x - Step 2: Convert to fraction form
110,964.52/166,252.99 = 92,364.09/x - Step 3: Cross multiply
110,964.52x = 166,252.99 × 92,364.09 - Step 4: Simplify right side
110,964.52x = 15,355,806,131.13 - Step 5: Solve for x
x = 15,355,806,131.13/110,964.52 - Step 6: Final answer
x = 138,384.83
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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.