Finding the Fourth Proportional to 168,680.19, 232,778.47 and 92,199.79
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Solution
The fourth proportional to 168,680.19, 232,778.47 and 92,199.79 is: 127,235.61
Step by Step Solution
- Step 1: Write the proportion equation
168,680.19 : 232,778.47 = 92,199.79 : x - Step 2: Convert to fraction form
168,680.19/232,778.47 = 92,199.79/x - Step 3: Cross multiply
168,680.19x = 232,778.47 × 92,199.79 - Step 4: Simplify right side
168,680.19x = 21,462,126,050.52 - Step 5: Solve for x
x = 21,462,126,050.52/168,680.19 - Step 6: Final answer
x = 127,235.61
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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.