Finding the Fourth Proportional to 123,005, 184,507.50 and 39,899
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Solution
The fourth proportional to 123,005, 184,507.50 and 39,899 is: 59,848.50
Step by Step Solution
- Step 1: Write the proportion equation
123,005 : 184,507.50 = 39,899 : x - Step 2: Convert to fraction form
123,005/184,507.50 = 39,899/x - Step 3: Cross multiply
123,005x = 184,507.50 × 39,899 - Step 4: Simplify right side
123,005x = 7,361,664,742.50 - Step 5: Solve for x
x = 7,361,664,742.50/123,005 - Step 6: Final answer
x = 59,848.50
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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.