Finding the Fourth Proportional to 132,280.84, 198,363.84 and 48,012.99
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Solution
The fourth proportional to 132,280.84, 198,363.84 and 48,012.99 is: 71,998.65
Step by Step Solution
- Step 1: Write the proportion equation
132,280.84 : 198,363.84 = 48,012.99 : x - Step 2: Convert to fraction form
132,280.84/198,363.84 = 48,012.99/x - Step 3: Cross multiply
132,280.84x = 198,363.84 × 48,012.99 - Step 4: Simplify right side
132,280.84x = 9,524,041,066.28 - Step 5: Solve for x
x = 9,524,041,066.28/132,280.84 - Step 6: Final answer
x = 71,998.65
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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.