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Finding the Fourth Proportional to 232,067.53, 347,831.90 and 87,881.70

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Solution

The fourth proportional to 232,067.53, 347,831.90 and 87,881.70 is: 131,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,067.53 : 347,831.90 = 87,881.70 : x
  2. Step 2: Convert to fraction form
    232,067.53/347,831.90 = 87,881.70/x
  3. Step 3: Cross multiply
    232,067.53x = 347,831.90 × 87,881.70
  4. Step 4: Simplify right side
    232,067.53x = 30,568,056,947.07
  5. Step 5: Solve for x
    x = 30,568,056,947.07/232,067.53
  6. Step 6: Final answer
    x = 131,720.53

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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.