Finding the Fourth Proportional to 176,177.20, 243,067.98 and 98,641.44
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Solution
The fourth proportional to 176,177.20, 243,067.98 and 98,641.44 is: 136,093.52
Step by Step Solution
- Step 1: Write the proportion equation
176,177.20 : 243,067.98 = 98,641.44 : x - Step 2: Convert to fraction form
176,177.20/243,067.98 = 98,641.44/x - Step 3: Cross multiply
176,177.20x = 243,067.98 × 98,641.44 - Step 4: Simplify right side
176,177.20x = 23,976,575,565.09 - Step 5: Solve for x
x = 23,976,575,565.09/176,177.20 - Step 6: Final answer
x = 136,093.52
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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.