Finding the Fourth Proportional to 79,204.80, 118,768.32 and 29,282.88
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Solution
The fourth proportional to 79,204.80, 118,768.32 and 29,282.88 is: 43,909.95
Step by Step Solution
- Step 1: Write the proportion equation
79,204.80 : 118,768.32 = 29,282.88 : x - Step 2: Convert to fraction form
79,204.80/118,768.32 = 29,282.88/x - Step 3: Cross multiply
79,204.80x = 118,768.32 × 29,282.88 - Step 4: Simplify right side
79,204.80x = 3,477,878,462.36 - Step 5: Solve for x
x = 3,477,878,462.36/79,204.80 - Step 6: Final answer
x = 43,909.95
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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.