Finding the Fourth Proportional to 112,353.06, 168,529.05 and 29,247.06
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Solution
The fourth proportional to 112,353.06, 168,529.05 and 29,247.06 is: 43,870.45
Step by Step Solution
- Step 1: Write the proportion equation
112,353.06 : 168,529.05 = 29,247.06 : x - Step 2: Convert to fraction form
112,353.06/168,529.05 = 29,247.06/x - Step 3: Cross multiply
112,353.06x = 168,529.05 × 29,247.06 - Step 4: Simplify right side
112,353.06x = 4,928,979,237.09 - Step 5: Solve for x
x = 4,928,979,237.09/112,353.06 - Step 6: Final answer
x = 43,870.45
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1.5x scale
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.