Finding the Fourth Proportional to 124,425.84, 186,759.06 and 117,682.62
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Solution
The fourth proportional to 124,425.84, 186,759.06 and 117,682.62 is: 176,637.71
Step by Step Solution
- Step 1: Write the proportion equation
124,425.84 : 186,759.06 = 117,682.62 : x - Step 2: Convert to fraction form
124,425.84/186,759.06 = 117,682.62/x - Step 3: Cross multiply
124,425.84x = 186,759.06 × 117,682.62 - Step 4: Simplify right side
124,425.84x = 21,978,295,489.54 - Step 5: Solve for x
x = 21,978,295,489.54/124,425.84 - Step 6: Final answer
x = 176,637.71
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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.