Finding the Fourth Proportional to 132,072.98, 198,102.19 and 96,570.68
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Solution
The fourth proportional to 132,072.98, 198,102.19 and 96,570.68 is: 144,850.70
Step by Step Solution
- Step 1: Write the proportion equation
132,072.98 : 198,102.19 = 96,570.68 : x - Step 2: Convert to fraction form
132,072.98/198,102.19 = 96,570.68/x - Step 3: Cross multiply
132,072.98x = 198,102.19 × 96,570.68 - Step 4: Simplify right side
132,072.98x = 19,130,863,197.79 - Step 5: Solve for x
x = 19,130,863,197.79/132,072.98 - Step 6: Final answer
x = 144,850.70
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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.