Finding the Fourth Proportional to 190,710.36, 286,065.78 and 66,051.36
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Solution
The fourth proportional to 190,710.36, 286,065.78 and 66,051.36 is: 99,077.12
Step by Step Solution
- Step 1: Write the proportion equation
190,710.36 : 286,065.78 = 66,051.36 : x - Step 2: Convert to fraction form
190,710.36/286,065.78 = 66,051.36/x - Step 3: Cross multiply
190,710.36x = 286,065.78 × 66,051.36 - Step 4: Simplify right side
190,710.36x = 18,895,033,818.46 - Step 5: Solve for x
x = 18,895,033,818.46/190,710.36 - Step 6: Final answer
x = 99,077.12
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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.