Finding the Fourth Proportional to 159,636.24, 239,445.72 and 48,828.24
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Solution
The fourth proportional to 159,636.24, 239,445.72 and 48,828.24 is: 73,239.72
Step by Step Solution
- Step 1: Write the proportion equation
159,636.24 : 239,445.72 = 48,828.24 : x - Step 2: Convert to fraction form
159,636.24/239,445.72 = 48,828.24/x - Step 3: Cross multiply
159,636.24x = 239,445.72 × 48,828.24 - Step 4: Simplify right side
159,636.24x = 11,691,713,083.13 - Step 5: Solve for x
x = 11,691,713,083.13/159,636.24 - Step 6: Final answer
x = 73,239.72
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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.