Finding the Fourth Proportional to 132,868.98, 183,349.98 and 74,734.44
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Solution
The fourth proportional to 132,868.98, 183,349.98 and 74,734.44 is: 103,128.35
Step by Step Solution
- Step 1: Write the proportion equation
132,868.98 : 183,349.98 = 74,734.44 : x - Step 2: Convert to fraction form
132,868.98/183,349.98 = 74,734.44/x - Step 3: Cross multiply
132,868.98x = 183,349.98 × 74,734.44 - Step 4: Simplify right side
132,868.98x = 13,702,558,079.31 - Step 5: Solve for x
x = 13,702,558,079.31/132,868.98 - Step 6: Final answer
x = 103,128.35
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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.