Finding the Fourth Proportional to 132,281.84, 198,365.33 and 48,013.99
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Solution
The fourth proportional to 132,281.84, 198,365.33 and 48,013.99 is: 72,000.14
Step by Step Solution
- Step 1: Write the proportion equation
132,281.84 : 198,365.33 = 48,013.99 : x - Step 2: Convert to fraction form
132,281.84/198,365.33 = 48,013.99/x - Step 3: Cross multiply
132,281.84x = 198,365.33 × 48,013.99 - Step 4: Simplify right side
132,281.84x = 9,524,310,595.09 - Step 5: Solve for x
x = 9,524,310,595.09/132,281.84 - Step 6: Final answer
x = 72,000.14
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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.