Finding the Fourth Proportional to 118,341.60, 177,328.08 and 74,473.44
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Solution
The fourth proportional to 118,341.60, 177,328.08 and 74,473.44 is: 111,594.17
Step by Step Solution
- Step 1: Write the proportion equation
118,341.60 : 177,328.08 = 74,473.44 : x - Step 2: Convert to fraction form
118,341.60/177,328.08 = 74,473.44/x - Step 3: Cross multiply
118,341.60x = 177,328.08 × 74,473.44 - Step 4: Simplify right side
118,341.60x = 13,206,232,126.20 - Step 5: Solve for x
x = 13,206,232,126.20/118,341.60 - Step 6: Final answer
x = 111,594.17
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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.