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Finding the Fourth Proportional to 423,504.75, 635,238.90 and 107,952.24

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Solution

The fourth proportional to 423,504.75, 635,238.90 and 107,952.24 is: 161,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,504.75 : 635,238.90 = 107,952.24 : x
  2. Step 2: Convert to fraction form
    423,504.75/635,238.90 = 107,952.24/x
  3. Step 3: Cross multiply
    423,504.75x = 635,238.90 × 107,952.24
  4. Step 4: Simplify right side
    423,504.75x = 68,575,462,190.14
  5. Step 5: Solve for x
    x = 68,575,462,190.14/423,504.75
  6. Step 6: Final answer
    x = 161,923.71

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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.