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Finding the Fourth Proportional to 283,750.87, 425,635.21 and 106,223.98

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Solution

The fourth proportional to 283,750.87, 425,635.21 and 106,223.98 is: 159,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,750.87 : 425,635.21 = 106,223.98 : x
  2. Step 2: Convert to fraction form
    283,750.87/425,635.21 = 106,223.98/x
  3. Step 3: Cross multiply
    283,750.87x = 425,635.21 × 106,223.98
  4. Step 4: Simplify right side
    283,750.87x = 45,212,663,906.16
  5. Step 5: Solve for x
    x = 45,212,663,906.16/283,750.87
  6. Step 6: Final answer
    x = 159,339.30

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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.