Finding the Fourth Proportional to 117,212.88, 175,848.47 and 34,106.88
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Solution
The fourth proportional to 117,212.88, 175,848.47 and 34,106.88 is: 51,168.80
Step by Step Solution
- Step 1: Write the proportion equation
117,212.88 : 175,848.47 = 34,106.88 : x - Step 2: Convert to fraction form
117,212.88/175,848.47 = 34,106.88/x - Step 3: Cross multiply
117,212.88x = 175,848.47 × 34,106.88 - Step 4: Simplify right side
117,212.88x = 5,997,642,664.47 - Step 5: Solve for x
x = 5,997,642,664.47/117,212.88 - Step 6: Final answer
x = 51,168.80
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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.