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Finding the Fourth Proportional to 184,679.33, 276,815.95 and 72,338.60

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Solution

The fourth proportional to 184,679.33, 276,815.95 and 72,338.60 is: 108,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,679.33 : 276,815.95 = 72,338.60 : x
  2. Step 2: Convert to fraction form
    184,679.33/276,815.95 = 72,338.60/x
  3. Step 3: Cross multiply
    184,679.33x = 276,815.95 × 72,338.60
  4. Step 4: Simplify right side
    184,679.33x = 20,024,478,791.86
  5. Step 5: Solve for x
    x = 20,024,478,791.86/184,679.33
  6. Step 6: Final answer
    x = 108,428.37

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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.