Finding the Fourth Proportional to 106,353.42, 159,530.67 and 27,462.21
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Solution
The fourth proportional to 106,353.42, 159,530.67 and 27,462.21 is: 41,193.45
Step by Step Solution
- Step 1: Write the proportion equation
106,353.42 : 159,530.67 = 27,462.21 : x - Step 2: Convert to fraction form
106,353.42/159,530.67 = 27,462.21/x - Step 3: Cross multiply
106,353.42x = 159,530.67 × 27,462.21 - Step 4: Simplify right side
106,353.42x = 4,381,064,760.98 - Step 5: Solve for x
x = 4,381,064,760.98/106,353.42 - Step 6: Final answer
x = 41,193.45
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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.