Finding the Fourth Proportional to 159,427.24, 239,140.86 and 48,619.24
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Solution
The fourth proportional to 159,427.24, 239,140.86 and 48,619.24 is: 72,928.86
Step by Step Solution
- Step 1: Write the proportion equation
159,427.24 : 239,140.86 = 48,619.24 : x - Step 2: Convert to fraction form
159,427.24/239,140.86 = 48,619.24/x - Step 3: Cross multiply
159,427.24x = 239,140.86 × 48,619.24 - Step 4: Simplify right side
159,427.24x = 11,626,846,866.15 - Step 5: Solve for x
x = 11,626,846,866.15/159,427.24 - Step 6: Final answer
x = 72,928.86
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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.