Finding the Fourth Proportional to 120,294.99, 165,992.52 and 69,324.42
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Solution
The fourth proportional to 120,294.99, 165,992.52 and 69,324.42 is: 95,659.31
Step by Step Solution
- Step 1: Write the proportion equation
120,294.99 : 165,992.52 = 69,324.42 : x - Step 2: Convert to fraction form
120,294.99/165,992.52 = 69,324.42/x - Step 3: Cross multiply
120,294.99x = 165,992.52 × 69,324.42 - Step 4: Simplify right side
120,294.99x = 11,507,336,055.78 - Step 5: Solve for x
x = 11,507,336,055.78/120,294.99 - Step 6: Final answer
x = 95,659.31
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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.