Finding the Fourth Proportional to 175,713.12, 242,475.80 and 104,081.58
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Solution
The fourth proportional to 175,713.12, 242,475.80 and 104,081.58 is: 143,627.66
Step by Step Solution
- Step 1: Write the proportion equation
175,713.12 : 242,475.80 = 104,081.58 : x - Step 2: Convert to fraction form
175,713.12/242,475.80 = 104,081.58/x - Step 3: Cross multiply
175,713.12x = 242,475.80 × 104,081.58 - Step 4: Simplify right side
175,713.12x = 25,237,263,855.36 - Step 5: Solve for x
x = 25,237,263,855.36/175,713.12 - Step 6: Final answer
x = 143,627.66
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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.