Finding the Fourth Proportional to 132,148.73, 182,361.11 and 74,005.65
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Solution
The fourth proportional to 132,148.73, 182,361.11 and 74,005.65 is: 102,125.48
Step by Step Solution
- Step 1: Write the proportion equation
132,148.73 : 182,361.11 = 74,005.65 : x - Step 2: Convert to fraction form
132,148.73/182,361.11 = 74,005.65/x - Step 3: Cross multiply
132,148.73x = 182,361.11 × 74,005.65 - Step 4: Simplify right side
132,148.73x = 13,495,752,110.24 - Step 5: Solve for x
x = 13,495,752,110.24/132,148.73 - Step 6: Final answer
x = 102,125.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.