Finding the Fourth Proportional to 216,977.94, 325,497.72 and 67,230
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Solution
The fourth proportional to 216,977.94, 325,497.72 and 67,230 is: 100,854.55
Step by Step Solution
- Step 1: Write the proportion equation
216,977.94 : 325,497.72 = 67,230 : x - Step 2: Convert to fraction form
216,977.94/325,497.72 = 67,230/x - Step 3: Cross multiply
216,977.94x = 325,497.72 × 67,230 - Step 4: Simplify right side
216,977.94x = 21,883,211,715.60 - Step 5: Solve for x
x = 21,883,211,715.60/216,977.94 - Step 6: Final answer
x = 100,854.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.