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Finding the Fourth Proportional to 236,735.60, 355,103.40 and 68,255.60

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Solution

The fourth proportional to 236,735.60, 355,103.40 and 68,255.60 is: 102,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,735.60 : 355,103.40 = 68,255.60 : x
  2. Step 2: Convert to fraction form
    236,735.60/355,103.40 = 68,255.60/x
  3. Step 3: Cross multiply
    236,735.60x = 355,103.40 × 68,255.60
  4. Step 4: Simplify right side
    236,735.60x = 24,237,795,629.04
  5. Step 5: Solve for x
    x = 24,237,795,629.04/236,735.60
  6. Step 6: Final answer
    x = 102,383.40

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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.