Finding the Fourth Proportional to 134,736.05, 202,069.59 and 39,944.07
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Solution
The fourth proportional to 134,736.05, 202,069.59 and 39,944.07 is: 59,905.88
Step by Step Solution
- Step 1: Write the proportion equation
134,736.05 : 202,069.59 = 39,944.07 : x - Step 2: Convert to fraction form
134,736.05/202,069.59 = 39,944.07/x - Step 3: Cross multiply
134,736.05x = 202,069.59 × 39,944.07 - Step 4: Simplify right side
134,736.05x = 8,071,481,847.83 - Step 5: Solve for x
x = 8,071,481,847.83/134,736.05 - Step 6: Final answer
x = 59,905.88
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1.5x scale
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.