Finding the Fourth Proportional to 168,790.44, 232,930.44 and 97,144.32
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Solution
The fourth proportional to 168,790.44, 232,930.44 and 97,144.32 is: 134,058.95
Step by Step Solution
- Step 1: Write the proportion equation
168,790.44 : 232,930.44 = 97,144.32 : x - Step 2: Convert to fraction form
168,790.44/232,930.44 = 97,144.32/x - Step 3: Cross multiply
168,790.44x = 232,930.44 × 97,144.32 - Step 4: Simplify right side
168,790.44x = 22,627,869,201.10 - Step 5: Solve for x
x = 22,627,869,201.10/168,790.44 - Step 6: Final answer
x = 134,058.95
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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.