Finding the Fourth Proportional to 124,727.80, 187,091.70 and 124,727.80
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Solution
The fourth proportional to 124,727.80, 187,091.70 and 124,727.80 is: 187,091.70
Step by Step Solution
- Step 1: Write the proportion equation
124,727.80 : 187,091.70 = 124,727.80 : x - Step 2: Convert to fraction form
124,727.80/187,091.70 = 124,727.80/x - Step 3: Cross multiply
124,727.80x = 187,091.70 × 124,727.80 - Step 4: Simplify right side
124,727.80x = 23,335,536,139.26 - Step 5: Solve for x
x = 23,335,536,139.26/124,727.80 - Step 6: Final answer
x = 187,091.70
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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.