Finding the Fourth Proportional to 125,723.80, 176,246.60 and 125,723.80
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Solution
The fourth proportional to 125,723.80, 176,246.60 and 125,723.80 is: 176,246.60
Step by Step Solution
- Step 1: Write the proportion equation
125,723.80 : 176,246.60 = 125,723.80 : x - Step 2: Convert to fraction form
125,723.80/176,246.60 = 125,723.80/x - Step 3: Cross multiply
125,723.80x = 176,246.60 × 125,723.80 - Step 4: Simplify right side
125,723.80x = 22,158,392,289.08 - Step 5: Solve for x
x = 22,158,392,289.08/125,723.80 - Step 6: Final answer
x = 176,246.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.