Finding the Fourth Proportional to 132,423.36, 198,572.82 and 48,124.08
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Solution
The fourth proportional to 132,423.36, 198,572.82 and 48,124.08 is: 72,163.51
Step by Step Solution
- Step 1: Write the proportion equation
132,423.36 : 198,572.82 = 48,124.08 : x - Step 2: Convert to fraction form
132,423.36/198,572.82 = 48,124.08/x - Step 3: Cross multiply
132,423.36x = 198,572.82 × 48,124.08 - Step 4: Simplify right side
132,423.36x = 9,556,134,275.51 - Step 5: Solve for x
x = 9,556,134,275.51/132,423.36 - Step 6: Final answer
x = 72,163.51
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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.