Finding the Fourth Proportional to 111,470.48, 153,901.36 and 69,074
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Solution
The fourth proportional to 111,470.48, 153,901.36 and 69,074 is: 95,366.80
Step by Step Solution
- Step 1: Write the proportion equation
111,470.48 : 153,901.36 = 69,074 : x - Step 2: Convert to fraction form
111,470.48/153,901.36 = 69,074/x - Step 3: Cross multiply
111,470.48x = 153,901.36 × 69,074 - Step 4: Simplify right side
111,470.48x = 10,630,582,540.64 - Step 5: Solve for x
x = 10,630,582,540.64/111,470.48 - Step 6: Final answer
x = 95,366.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.