Finding the Fourth Proportional to 84,833.28, 127,206.42 and 44,873.84
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Solution
The fourth proportional to 84,833.28, 127,206.42 and 44,873.84 is: 67,287.75
Step by Step Solution
- Step 1: Write the proportion equation
84,833.28 : 127,206.42 = 44,873.84 : x - Step 2: Convert to fraction form
84,833.28/127,206.42 = 44,873.84/x - Step 3: Cross multiply
84,833.28x = 127,206.42 × 44,873.84 - Step 4: Simplify right side
84,833.28x = 5,708,240,538.05 - Step 5: Solve for x
x = 5,708,240,538.05/84,833.28 - Step 6: Final answer
x = 67,287.75
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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.