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Finding the Fourth Proportional to 283,856.70, 425,093.39 and 187,735.36

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Solution

The fourth proportional to 283,856.70, 425,093.39 and 187,735.36 is: 281,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,856.70 : 425,093.39 = 187,735.36 : x
  2. Step 2: Convert to fraction form
    283,856.70/425,093.39 = 187,735.36/x
  3. Step 3: Cross multiply
    283,856.70x = 425,093.39 × 187,735.36
  4. Step 4: Simplify right side
    283,856.70x = 79,805,058,603.86
  5. Step 5: Solve for x
    x = 79,805,058,603.86/283,856.70
  6. Step 6: Final answer
    x = 281,145.58

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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.