Finding the Fourth Proportional to 176,709.19, 243,853.12 and 96,134.66
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Solution
The fourth proportional to 176,709.19, 243,853.12 and 96,134.66 is: 132,662.80
Step by Step Solution
- Step 1: Write the proportion equation
176,709.19 : 243,853.12 = 96,134.66 : x - Step 2: Convert to fraction form
176,709.19/243,853.12 = 96,134.66/x - Step 3: Cross multiply
176,709.19x = 243,853.12 × 96,134.66 - Step 4: Simplify right side
176,709.19x = 23,442,736,781.14 - Step 5: Solve for x
x = 23,442,736,781.14/176,709.19 - Step 6: Final answer
x = 132,662.80
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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.