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Finding the Fourth Proportional to 283,559.20, 425,533.20 and 125,900.80

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Solution

The fourth proportional to 283,559.20, 425,533.20 and 125,900.80 is: 188,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,559.20 : 425,533.20 = 125,900.80 : x
  2. Step 2: Convert to fraction form
    283,559.20/425,533.20 = 125,900.80/x
  3. Step 3: Cross multiply
    283,559.20x = 425,533.20 × 125,900.80
  4. Step 4: Simplify right side
    283,559.20x = 53,574,970,306.56
  5. Step 5: Solve for x
    x = 53,574,970,306.56/283,559.20
  6. Step 6: Final answer
    x = 188,937.51

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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.