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Finding the Fourth Proportional to 283,431.36, 425,171.52 and 73,067.52

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Solution

The fourth proportional to 283,431.36, 425,171.52 and 73,067.52 is: 109,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,431.36 : 425,171.52 = 73,067.52 : x
  2. Step 2: Convert to fraction form
    283,431.36/425,171.52 = 73,067.52/x
  3. Step 3: Cross multiply
    283,431.36x = 425,171.52 × 73,067.52
  4. Step 4: Simplify right side
    283,431.36x = 31,066,228,541.03
  5. Step 5: Solve for x
    x = 31,066,228,541.03/283,431.36
  6. Step 6: Final answer
    x = 109,607.59

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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.