Finding the Fourth Proportional to 116,589.32, 160,900.60 and 70,652.99
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Solution
The fourth proportional to 116,589.32, 160,900.60 and 70,652.99 is: 97,505.57
Step by Step Solution
- Step 1: Write the proportion equation
116,589.32 : 160,900.60 = 70,652.99 : x - Step 2: Convert to fraction form
116,589.32/160,900.60 = 70,652.99/x - Step 3: Cross multiply
116,589.32x = 160,900.60 × 70,652.99 - Step 4: Simplify right side
116,589.32x = 11,368,108,080.54 - Step 5: Solve for x
x = 11,368,108,080.54/116,589.32 - Step 6: Final answer
x = 97,505.57
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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.