Finding the Fourth Proportional to 168,233.76, 232,138.08 and 104,548.32
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Solution
The fourth proportional to 168,233.76, 232,138.08 and 104,548.32 is: 144,261.45
Step by Step Solution
- Step 1: Write the proportion equation
168,233.76 : 232,138.08 = 104,548.32 : x - Step 2: Convert to fraction form
168,233.76/232,138.08 = 104,548.32/x - Step 3: Cross multiply
168,233.76x = 232,138.08 × 104,548.32 - Step 4: Simplify right side
168,233.76x = 24,269,646,272.03 - Step 5: Solve for x
x = 24,269,646,272.03/168,233.76 - Step 6: Final answer
x = 144,261.45
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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.