Finding the Fourth Proportional to 117,052.44, 161,532.12 and 63,337.44
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Solution
The fourth proportional to 117,052.44, 161,532.12 and 63,337.44 is: 87,405.54
Step by Step Solution
- Step 1: Write the proportion equation
117,052.44 : 161,532.12 = 63,337.44 : x - Step 2: Convert to fraction form
117,052.44/161,532.12 = 63,337.44/x - Step 3: Cross multiply
117,052.44x = 161,532.12 × 63,337.44 - Step 4: Simplify right side
117,052.44x = 10,231,031,801.83 - Step 5: Solve for x
x = 10,231,031,801.83/117,052.44 - Step 6: Final answer
x = 87,405.54
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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.