Finding the Fourth Proportional to 113,120.04, 169,519.58 and 83,304.04
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Solution
The fourth proportional to 113,120.04, 169,519.58 and 83,304.04 is: 124,837.88
Step by Step Solution
- Step 1: Write the proportion equation
113,120.04 : 169,519.58 = 83,304.04 : x - Step 2: Convert to fraction form
113,120.04/169,519.58 = 83,304.04/x - Step 3: Cross multiply
113,120.04x = 169,519.58 × 83,304.04 - Step 4: Simplify right side
113,120.04x = 14,121,665,873.10 - Step 5: Solve for x
x = 14,121,665,873.10/113,120.04 - Step 6: Final answer
x = 124,837.88
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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.