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Finding the Fourth Proportional to 123,337.80, 184,974.28 and 53,201.52

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Solution

The fourth proportional to 123,337.80, 184,974.28 and 53,201.52 is: 79,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,337.80 : 184,974.28 = 53,201.52 : x
  2. Step 2: Convert to fraction form
    123,337.80/184,974.28 = 53,201.52/x
  3. Step 3: Cross multiply
    123,337.80x = 184,974.28 × 53,201.52
  4. Step 4: Simplify right side
    123,337.80x = 9,840,912,856.91
  5. Step 5: Solve for x
    x = 9,840,912,856.91/123,337.80
  6. Step 6: Final answer
    x = 79,788.30

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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.