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Finding the Fourth Proportional to 184,606.20, 276,894.90 and 72,264.60

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Solution

The fourth proportional to 184,606.20, 276,894.90 and 72,264.60 is: 108,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,606.20 : 276,894.90 = 72,264.60 : x
  2. Step 2: Convert to fraction form
    184,606.20/276,894.90 = 72,264.60/x
  3. Step 3: Cross multiply
    184,606.20x = 276,894.90 × 72,264.60
  4. Step 4: Simplify right side
    184,606.20x = 20,009,699,190.54
  5. Step 5: Solve for x
    x = 20,009,699,190.54/184,606.20
  6. Step 6: Final answer
    x = 108,391.26

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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.