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Finding the Fourth Proportional to 183,346.92, 275,098.82 and 76,755.78

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Solution

The fourth proportional to 183,346.92, 275,098.82 and 76,755.78 is: 115,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,346.92 : 275,098.82 = 76,755.78 : x
  2. Step 2: Convert to fraction form
    183,346.92/275,098.82 = 76,755.78/x
  3. Step 3: Cross multiply
    183,346.92x = 275,098.82 × 76,755.78
  4. Step 4: Simplify right side
    183,346.92x = 21,115,424,122.40
  5. Step 5: Solve for x
    x = 21,115,424,122.40/183,346.92
  6. Step 6: Final answer
    x = 115,166.51

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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.