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Finding the Fourth Proportional to 283,867.63, 425,801.51 and 115,479.56

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Solution

The fourth proportional to 283,867.63, 425,801.51 and 115,479.56 is: 173,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,867.63 : 425,801.51 = 115,479.56 : x
  2. Step 2: Convert to fraction form
    283,867.63/425,801.51 = 115,479.56/x
  3. Step 3: Cross multiply
    283,867.63x = 425,801.51 × 115,479.56
  4. Step 4: Simplify right side
    283,867.63x = 49,171,371,022.14
  5. Step 5: Solve for x
    x = 49,171,371,022.14/283,867.63
  6. Step 6: Final answer
    x = 173,219.37

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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.