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Finding the Fourth Proportional to 183,490.60, 275,305.92 and 71,249.56

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Solution

The fourth proportional to 183,490.60, 275,305.92 and 71,249.56 is: 106,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,490.60 : 275,305.92 = 71,249.56 : x
  2. Step 2: Convert to fraction form
    183,490.60/275,305.92 = 71,249.56/x
  3. Step 3: Cross multiply
    183,490.60x = 275,305.92 × 71,249.56
  4. Step 4: Simplify right side
    183,490.60x = 19,615,425,665.40
  5. Step 5: Solve for x
    x = 19,615,425,665.40/183,490.60
  6. Step 6: Final answer
    x = 106,901.53

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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.