Finding the Fourth Proportional to 132,037.44, 182,194.16 and 74,684.58
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Solution
The fourth proportional to 132,037.44, 182,194.16 and 74,684.58 is: 103,054.82
Step by Step Solution
- Step 1: Write the proportion equation
132,037.44 : 182,194.16 = 74,684.58 : x - Step 2: Convert to fraction form
132,037.44/182,194.16 = 74,684.58/x - Step 3: Cross multiply
132,037.44x = 182,194.16 × 74,684.58 - Step 4: Simplify right side
132,037.44x = 13,607,094,318.05 - Step 5: Solve for x
x = 13,607,094,318.05/132,037.44 - Step 6: Final answer
x = 103,054.82
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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.