Finding the Fourth Proportional to 168,202.48, 252,371.04 and 68,370.32
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Solution
The fourth proportional to 168,202.48, 252,371.04 and 68,370.32 is: 102,582.84
Step by Step Solution
- Step 1: Write the proportion equation
168,202.48 : 252,371.04 = 68,370.32 : x - Step 2: Convert to fraction form
168,202.48/252,371.04 = 68,370.32/x - Step 3: Cross multiply
168,202.48x = 252,371.04 × 68,370.32 - Step 4: Simplify right side
168,202.48x = 17,254,688,763.53 - Step 5: Solve for x
x = 17,254,688,763.53/168,202.48 - Step 6: Final answer
x = 102,582.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.