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Finding the Fourth Proportional to 283,558.70, 425,532.45 and 125,900.30

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Solution

The fourth proportional to 283,558.70, 425,532.45 and 125,900.30 is: 188,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.70 : 425,532.45 = 125,900.30 : x
  2. Step 2: Convert to fraction form
    283,558.70/425,532.45 = 125,900.30/x
  3. Step 3: Cross multiply
    283,558.70x = 425,532.45 × 125,900.30
  4. Step 4: Simplify right side
    283,558.70x = 53,574,663,114.74
  5. Step 5: Solve for x
    x = 53,574,663,114.74/283,558.70
  6. Step 6: Final answer
    x = 188,936.76

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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.