Finding the Fourth Proportional to 132,403.96, 198,543.51 and 48,104.68
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Solution
The fourth proportional to 132,403.96, 198,543.51 and 48,104.68 is: 72,134.34
Step by Step Solution
- Step 1: Write the proportion equation
132,403.96 : 198,543.51 = 48,104.68 : x - Step 2: Convert to fraction form
132,403.96/198,543.51 = 48,104.68/x - Step 3: Cross multiply
132,403.96x = 198,543.51 × 48,104.68 - Step 4: Simplify right side
132,403.96x = 9,550,872,014.63 - Step 5: Solve for x
x = 9,550,872,014.63/132,403.96 - Step 6: Final answer
x = 72,134.34
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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.