Finding the Fourth Proportional to 121,260.33, 167,340.99 and 69,585.85
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Solution
The fourth proportional to 121,260.33, 167,340.99 and 69,585.85 is: 96,029.46
Step by Step Solution
- Step 1: Write the proportion equation
121,260.33 : 167,340.99 = 69,585.85 : x - Step 2: Convert to fraction form
121,260.33/167,340.99 = 69,585.85/x - Step 3: Cross multiply
121,260.33x = 167,340.99 × 69,585.85 - Step 4: Simplify right side
121,260.33x = 11,644,564,610.64 - Step 5: Solve for x
x = 11,644,564,610.64/121,260.33 - Step 6: Final answer
x = 96,029.46
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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.