Finding the Fourth Proportional to 168,801.50, 232,936.62 and 92,305.42
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Solution
The fourth proportional to 168,801.50, 232,936.62 and 92,305.42 is: 127,376.31
Step by Step Solution
- Step 1: Write the proportion equation
168,801.50 : 232,936.62 = 92,305.42 : x - Step 2: Convert to fraction form
168,801.50/232,936.62 = 92,305.42/x - Step 3: Cross multiply
168,801.50x = 232,936.62 × 92,305.42 - Step 4: Simplify right side
168,801.50x = 21,501,312,542.48 - Step 5: Solve for x
x = 21,501,312,542.48/168,801.50 - Step 6: Final answer
x = 127,376.31
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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.