Finding the Fourth Proportional to 183,558.52, 253,399.74 and 123,107.08
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Solution
The fourth proportional to 183,558.52, 253,399.74 and 123,107.08 is: 169,947.45
Step by Step Solution
- Step 1: Write the proportion equation
183,558.52 : 253,399.74 = 123,107.08 : x - Step 2: Convert to fraction form
183,558.52/253,399.74 = 123,107.08/x - Step 3: Cross multiply
183,558.52x = 253,399.74 × 123,107.08 - Step 4: Simplify right side
183,558.52x = 31,195,302,064.16 - Step 5: Solve for x
x = 31,195,302,064.16/183,558.52 - Step 6: Final answer
x = 169,947.45
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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.