Finding the Fourth Proportional to 116,764.44, 161,138.88 and 69,058.68
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Solution
The fourth proportional to 116,764.44, 161,138.88 and 69,058.68 is: 95,303.32
Step by Step Solution
- Step 1: Write the proportion equation
116,764.44 : 161,138.88 = 69,058.68 : x - Step 2: Convert to fraction form
116,764.44/161,138.88 = 69,058.68/x - Step 3: Cross multiply
116,764.44x = 161,138.88 × 69,058.68 - Step 4: Simplify right side
116,764.44x = 11,128,038,349.48 - Step 5: Solve for x
x = 11,128,038,349.48/116,764.44 - Step 6: Final answer
x = 95,303.32
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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.