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Finding the Fourth Proportional to 228,809.60, 342,863.52 and 104,004.80

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Solution

The fourth proportional to 228,809.60, 342,863.52 and 104,004.80 is: 155,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,809.60 : 342,863.52 = 104,004.80 : x
  2. Step 2: Convert to fraction form
    228,809.60/342,863.52 = 104,004.80/x
  3. Step 3: Cross multiply
    228,809.60x = 342,863.52 × 104,004.80
  4. Step 4: Simplify right side
    228,809.60x = 35,659,451,824.90
  5. Step 5: Solve for x
    x = 35,659,451,824.90/228,809.60
  6. Step 6: Final answer
    x = 155,847.71

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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.