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Finding the Fourth Proportional to 283,506.78, 425,201.76 and 125,634.54

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Solution

The fourth proportional to 283,506.78, 425,201.76 and 125,634.54 is: 188,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,506.78 : 425,201.76 = 125,634.54 : x
  2. Step 2: Convert to fraction form
    283,506.78/425,201.76 = 125,634.54/x
  3. Step 3: Cross multiply
    283,506.78x = 425,201.76 × 125,634.54
  4. Step 4: Simplify right side
    283,506.78x = 53,420,027,524.79
  5. Step 5: Solve for x
    x = 53,420,027,524.79/283,506.78
  6. Step 6: Final answer
    x = 188,425.93

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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.