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Finding the Fourth Proportional to 150,660.48, 207,917.76 and 83,592.96

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Solution

The fourth proportional to 150,660.48, 207,917.76 and 83,592.96 is: 115,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,660.48 : 207,917.76 = 83,592.96 : x
  2. Step 2: Convert to fraction form
    150,660.48/207,917.76 = 83,592.96/x
  3. Step 3: Cross multiply
    150,660.48x = 207,917.76 × 83,592.96
  4. Step 4: Simplify right side
    150,660.48x = 17,380,460,994.97
  5. Step 5: Solve for x
    x = 17,380,460,994.97/150,660.48
  6. Step 6: Final answer
    x = 115,361.78

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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.