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Finding the Fourth Proportional to 189,067.62, 283,503.02 and 55,929.90

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Solution

The fourth proportional to 189,067.62, 283,503.02 and 55,929.90 is: 83,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,067.62 : 283,503.02 = 55,929.90 : x
  2. Step 2: Convert to fraction form
    189,067.62/283,503.02 = 55,929.90/x
  3. Step 3: Cross multiply
    189,067.62x = 283,503.02 × 55,929.90
  4. Step 4: Simplify right side
    189,067.62x = 15,856,295,558.30
  5. Step 5: Solve for x
    x = 15,856,295,558.30/189,067.62
  6. Step 6: Final answer
    x = 83,865.74

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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.