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Finding the Fourth Proportional to 283,868.63, 425,803.01 and 115,480.56

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Solution

The fourth proportional to 283,868.63, 425,803.01 and 115,480.56 is: 173,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,868.63 : 425,803.01 = 115,480.56 : x
  2. Step 2: Convert to fraction form
    283,868.63/425,803.01 = 115,480.56/x
  3. Step 3: Cross multiply
    283,868.63x = 425,803.01 × 115,480.56
  4. Step 4: Simplify right side
    283,868.63x = 49,171,970,044.49
  5. Step 5: Solve for x
    x = 49,171,970,044.49/283,868.63
  6. Step 6: Final answer
    x = 173,220.87

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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.