Finding the Fourth Proportional to 118,822.13, 178,259.62 and 39,934
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Solution
The fourth proportional to 118,822.13, 178,259.62 and 39,934 is: 59,909.88
Step by Step Solution
- Step 1: Write the proportion equation
118,822.13 : 178,259.62 = 39,934 : x - Step 2: Convert to fraction form
118,822.13/178,259.62 = 39,934/x - Step 3: Cross multiply
118,822.13x = 178,259.62 × 39,934 - Step 4: Simplify right side
118,822.13x = 7,118,619,665.08 - Step 5: Solve for x
x = 7,118,619,665.08/118,822.13 - Step 6: Final answer
x = 59,909.88
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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.