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Finding the Fourth Proportional to 75,631, 104,373 and 41,643.04

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Solution

The fourth proportional to 75,631, 104,373 and 41,643.04 is: 57,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631 : 104,373 = 41,643.04 : x
  2. Step 2: Convert to fraction form
    75,631/104,373 = 41,643.04/x
  3. Step 3: Cross multiply
    75,631x = 104,373 × 41,643.04
  4. Step 4: Simplify right side
    75,631x = 4,346,409,013.92
  5. Step 5: Solve for x
    x = 4,346,409,013.92/75,631
  6. Step 6: Final answer
    x = 57,468.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.