Finding the Fourth Proportional to 248,043, 372,064.50 and 72,939
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Solution
The fourth proportional to 248,043, 372,064.50 and 72,939 is: 109,408.50
Step by Step Solution
- Step 1: Write the proportion equation
248,043 : 372,064.50 = 72,939 : x - Step 2: Convert to fraction form
248,043/372,064.50 = 72,939/x - Step 3: Cross multiply
248,043x = 372,064.50 × 72,939 - Step 4: Simplify right side
248,043x = 27,138,012,565.50 - Step 5: Solve for x
x = 27,138,012,565.50/248,043 - Step 6: Final answer
x = 109,408.50
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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.