Finding the Fourth Proportional to 118,858.24, 164,003.52 and 67,847.68
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Solution
The fourth proportional to 118,858.24, 164,003.52 and 67,847.68 is: 93,617.90
Step by Step Solution
- Step 1: Write the proportion equation
118,858.24 : 164,003.52 = 67,847.68 : x - Step 2: Convert to fraction form
118,858.24/164,003.52 = 67,847.68/x - Step 3: Cross multiply
118,858.24x = 164,003.52 × 67,847.68 - Step 4: Simplify right side
118,858.24x = 11,127,258,343.83 - Step 5: Solve for x
x = 11,127,258,343.83/118,858.24 - Step 6: Final answer
x = 93,617.90
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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.