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Finding the Fourth Proportional to 283,558.20, 425,337.30 and 83,860.80

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Solution

The fourth proportional to 283,558.20, 425,337.30 and 83,860.80 is: 125,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.20 : 425,337.30 = 83,860.80 : x
  2. Step 2: Convert to fraction form
    283,558.20/425,337.30 = 83,860.80/x
  3. Step 3: Cross multiply
    283,558.20x = 425,337.30 × 83,860.80
  4. Step 4: Simplify right side
    283,558.20x = 35,669,126,247.84
  5. Step 5: Solve for x
    x = 35,669,126,247.84/283,558.20
  6. Step 6: Final answer
    x = 125,791.20

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1.5x scale

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.