Finding the Fourth Proportional to 216,624.96, 324,863.52 and 83,494.08
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Solution
The fourth proportional to 216,624.96, 324,863.52 and 83,494.08 is: 125,212.63
Step by Step Solution
- Step 1: Write the proportion equation
216,624.96 : 324,863.52 = 83,494.08 : x - Step 2: Convert to fraction form
216,624.96/324,863.52 = 83,494.08/x - Step 3: Cross multiply
216,624.96x = 324,863.52 × 83,494.08 - Step 4: Simplify right side
216,624.96x = 27,124,180,727.96 - Step 5: Solve for x
x = 27,124,180,727.96/216,624.96 - Step 6: Final answer
x = 125,212.63
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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.