Finding the Fourth Proportional to 168,267.16, 232,198.14 and 92,815.48
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Solution
The fourth proportional to 168,267.16, 232,198.14 and 92,815.48 is: 128,079.55
Step by Step Solution
- Step 1: Write the proportion equation
168,267.16 : 232,198.14 = 92,815.48 : x - Step 2: Convert to fraction form
168,267.16/232,198.14 = 92,815.48/x - Step 3: Cross multiply
168,267.16x = 232,198.14 × 92,815.48 - Step 4: Simplify right side
168,267.16x = 21,551,581,819.21 - Step 5: Solve for x
x = 21,551,581,819.21/168,267.16 - Step 6: Final answer
x = 128,079.55
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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.