Finding the Fourth Proportional to 135,954.25, 203,952.06 and 69,358.01
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Solution
The fourth proportional to 135,954.25, 203,952.06 and 69,358.01 is: 104,047.56
Step by Step Solution
- Step 1: Write the proportion equation
135,954.25 : 203,952.06 = 69,358.01 : x - Step 2: Convert to fraction form
135,954.25/203,952.06 = 69,358.01/x - Step 3: Cross multiply
135,954.25x = 203,952.06 × 69,358.01 - Step 4: Simplify right side
135,954.25x = 14,145,707,997.24 - Step 5: Solve for x
x = 14,145,707,997.24/135,954.25 - Step 6: Final answer
x = 104,047.56
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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.