Finding the Fourth Proportional to 168,820.95, 232,939.22 and 93,354.87
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Solution
The fourth proportional to 168,820.95, 232,939.22 and 93,354.87 is: 128,811.09
Step by Step Solution
- Step 1: Write the proportion equation
168,820.95 : 232,939.22 = 93,354.87 : x - Step 2: Convert to fraction form
168,820.95/232,939.22 = 93,354.87/x - Step 3: Cross multiply
168,820.95x = 232,939.22 × 93,354.87 - Step 4: Simplify right side
168,820.95x = 21,746,010,134.23 - Step 5: Solve for x
x = 21,746,010,134.23/168,820.95 - Step 6: Final answer
x = 128,811.09
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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.