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Finding the Fourth Proportional to 133,465.37, 184,164 and 79,738.97

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Solution

The fourth proportional to 133,465.37, 184,164 and 79,738.97 is: 110,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,465.37 : 184,164 = 79,738.97 : x
  2. Step 2: Convert to fraction form
    133,465.37/184,164 = 79,738.97/x
  3. Step 3: Cross multiply
    133,465.37x = 184,164 × 79,738.97
  4. Step 4: Simplify right side
    133,465.37x = 14,685,047,671.08
  5. Step 5: Solve for x
    x = 14,685,047,671.08/133,465.37
  6. Step 6: Final answer
    x = 110,028.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.