Finding the Fourth Proportional to 215,328, 322,994.88 and 67,584
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Solution
The fourth proportional to 215,328, 322,994.88 and 67,584 is: 101,376.90
Step by Step Solution
- Step 1: Write the proportion equation
215,328 : 322,994.88 = 67,584 : x - Step 2: Convert to fraction form
215,328/322,994.88 = 67,584/x - Step 3: Cross multiply
215,328x = 322,994.88 × 67,584 - Step 4: Simplify right side
215,328x = 21,829,285,969.92 - Step 5: Solve for x
x = 21,829,285,969.92/215,328 - Step 6: Final answer
x = 101,376.90
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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.