Finding the Fourth Proportional to 94,263.68, 141,087.84 and 69,297.12
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Solution
The fourth proportional to 94,263.68, 141,087.84 and 69,297.12 is: 103,719.49
Step by Step Solution
- Step 1: Write the proportion equation
94,263.68 : 141,087.84 = 69,297.12 : x - Step 2: Convert to fraction form
94,263.68/141,087.84 = 69,297.12/x - Step 3: Cross multiply
94,263.68x = 141,087.84 × 69,297.12 - Step 4: Simplify right side
94,263.68x = 9,776,980,979.02 - Step 5: Solve for x
x = 9,776,980,979.02/94,263.68 - Step 6: Final answer
x = 103,719.49
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1.5x scale
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.