Finding the Fourth Proportional to 107,226.93, 147,990.91 and 59,495.65
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Solution
The fourth proportional to 107,226.93, 147,990.91 and 59,495.65 is: 82,113.84
Step by Step Solution
- Step 1: Write the proportion equation
107,226.93 : 147,990.91 = 59,495.65 : x - Step 2: Convert to fraction form
107,226.93/147,990.91 = 59,495.65/x - Step 3: Cross multiply
107,226.93x = 147,990.91 × 59,495.65 - Step 4: Simplify right side
107,226.93x = 8,804,815,087.06 - Step 5: Solve for x
x = 8,804,815,087.06/107,226.93 - Step 6: Final answer
x = 82,113.84
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1.5x scale
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.