Finding the Fourth Proportional to 125,621.44, 173,357.58 and 69,032.81
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Solution
The fourth proportional to 125,621.44, 173,357.58 and 69,032.81 is: 95,265.28
Step by Step Solution
- Step 1: Write the proportion equation
125,621.44 : 173,357.58 = 69,032.81 : x - Step 2: Convert to fraction form
125,621.44/173,357.58 = 69,032.81/x - Step 3: Cross multiply
125,621.44x = 173,357.58 × 69,032.81 - Step 4: Simplify right side
125,621.44x = 11,967,361,574.47 - Step 5: Solve for x
x = 11,967,361,574.47/125,621.44 - Step 6: Final answer
x = 95,265.28
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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.