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Finding the Fourth Proportional to 262,687.24, 394,186.38 and 96,591.88

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Solution

The fourth proportional to 262,687.24, 394,186.38 and 96,591.88 is: 144,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,687.24 : 394,186.38 = 96,591.88 : x
  2. Step 2: Convert to fraction form
    262,687.24/394,186.38 = 96,591.88/x
  3. Step 3: Cross multiply
    262,687.24x = 394,186.38 × 96,591.88
  4. Step 4: Simplify right side
    262,687.24x = 38,075,203,514.59
  5. Step 5: Solve for x
    x = 38,075,203,514.59/262,687.24
  6. Step 6: Final answer
    x = 144,945.01

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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.