Finding the Fourth Proportional to 163,729.02, 225,928.98 and 92,102.94
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Solution
The fourth proportional to 163,729.02, 225,928.98 and 92,102.94 is: 127,092.46
Step by Step Solution
- Step 1: Write the proportion equation
163,729.02 : 225,928.98 = 92,102.94 : x - Step 2: Convert to fraction form
163,729.02/225,928.98 = 92,102.94/x - Step 3: Cross multiply
163,729.02x = 225,928.98 × 92,102.94 - Step 4: Simplify right side
163,729.02x = 20,808,723,289.20 - Step 5: Solve for x
x = 20,808,723,289.20/163,729.02 - Step 6: Final answer
x = 127,092.46
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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.