Finding the Fourth Proportional to 132,416.42, 198,562.43 and 48,117.13
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Solution
The fourth proportional to 132,416.42, 198,562.43 and 48,117.13 is: 72,153.09
Step by Step Solution
- Step 1: Write the proportion equation
132,416.42 : 198,562.43 = 48,117.13 : x - Step 2: Convert to fraction form
132,416.42/198,562.43 = 48,117.13/x - Step 3: Cross multiply
132,416.42x = 198,562.43 × 48,117.13 - Step 4: Simplify right side
132,416.42x = 9,554,253,881.31 - Step 5: Solve for x
x = 9,554,253,881.31/132,416.42 - Step 6: Final answer
x = 72,153.09
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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.