Finding the Fourth Proportional to 117,590.58, 162,276.21 and 63,876.66
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Solution
The fourth proportional to 117,590.58, 162,276.21 and 63,876.66 is: 88,150.45
Step by Step Solution
- Step 1: Write the proportion equation
117,590.58 : 162,276.21 = 63,876.66 : x - Step 2: Convert to fraction form
117,590.58/162,276.21 = 63,876.66/x - Step 3: Cross multiply
117,590.58x = 162,276.21 × 63,876.66 - Step 4: Simplify right side
117,590.58x = 10,365,662,292.26 - Step 5: Solve for x
x = 10,365,662,292.26/117,590.58 - Step 6: Final answer
x = 88,150.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.