Finding the Fourth Proportional to 159,354.36, 239,031.72 and 41,025.96
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Solution
The fourth proportional to 159,354.36, 239,031.72 and 41,025.96 is: 61,538.99
Step by Step Solution
- Step 1: Write the proportion equation
159,354.36 : 239,031.72 = 41,025.96 : x - Step 2: Convert to fraction form
159,354.36/239,031.72 = 41,025.96/x - Step 3: Cross multiply
159,354.36x = 239,031.72 × 41,025.96 - Step 4: Simplify right side
159,354.36x = 9,806,505,783.45 - Step 5: Solve for x
x = 9,806,505,783.45/159,354.36 - Step 6: Final answer
x = 61,538.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.