Finding the Fourth Proportional to 129,955.76, 194,776.56 and 63,296
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Solution
The fourth proportional to 129,955.76, 194,776.56 and 63,296 is: 94,867.49
Step by Step Solution
- Step 1: Write the proportion equation
129,955.76 : 194,776.56 = 63,296 : x - Step 2: Convert to fraction form
129,955.76/194,776.56 = 63,296/x - Step 3: Cross multiply
129,955.76x = 194,776.56 × 63,296 - Step 4: Simplify right side
129,955.76x = 12,328,577,141.76 - Step 5: Solve for x
x = 12,328,577,141.76/129,955.76 - Step 6: Final answer
x = 94,867.49
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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.