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Finding the Fourth Proportional to 283,616.20, 425,424.30 and 125,860.60

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Solution

The fourth proportional to 283,616.20, 425,424.30 and 125,860.60 is: 188,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,616.20 : 425,424.30 = 125,860.60 : x
  2. Step 2: Convert to fraction form
    283,616.20/425,424.30 = 125,860.60/x
  3. Step 3: Cross multiply
    283,616.20x = 425,424.30 × 125,860.60
  4. Step 4: Simplify right side
    283,616.20x = 53,544,157,652.58
  5. Step 5: Solve for x
    x = 53,544,157,652.58/283,616.20
  6. Step 6: Final answer
    x = 188,790.90

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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.