Finding the Fourth Proportional to 124,319.84, 186,610.19 and 110,178.79
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Solution
The fourth proportional to 124,319.84, 186,610.19 and 110,178.79 is: 165,383.79
Step by Step Solution
- Step 1: Write the proportion equation
124,319.84 : 186,610.19 = 110,178.79 : x - Step 2: Convert to fraction form
124,319.84/186,610.19 = 110,178.79/x - Step 3: Cross multiply
124,319.84x = 186,610.19 × 110,178.79 - Step 4: Simplify right side
124,319.84x = 20,560,486,001.06 - Step 5: Solve for x
x = 20,560,486,001.06/124,319.84 - Step 6: Final answer
x = 165,383.79
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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.