Finding the Fourth Proportional to 132,201.18, 198,233.73 and 53,294.22
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Solution
The fourth proportional to 132,201.18, 198,233.73 and 53,294.22 is: 79,913.90
Step by Step Solution
- Step 1: Write the proportion equation
132,201.18 : 198,233.73 = 53,294.22 : x - Step 2: Convert to fraction form
132,201.18/198,233.73 = 53,294.22/x - Step 3: Cross multiply
132,201.18x = 198,233.73 × 53,294.22 - Step 4: Simplify right side
132,201.18x = 10,564,712,018.04 - Step 5: Solve for x
x = 10,564,712,018.04/132,201.18 - Step 6: Final answer
x = 79,913.90
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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.