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Finding the Fourth Proportional to 133,433.38, 184,103.49 and 79,694.74

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Solution

The fourth proportional to 133,433.38, 184,103.49 and 79,694.74 is: 109,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,433.38 : 184,103.49 = 79,694.74 : x
  2. Step 2: Convert to fraction form
    133,433.38/184,103.49 = 79,694.74/x
  3. Step 3: Cross multiply
    133,433.38x = 184,103.49 × 79,694.74
  4. Step 4: Simplify right side
    133,433.38x = 14,672,079,768.64
  5. Step 5: Solve for x
    x = 14,672,079,768.64/133,433.38
  6. Step 6: Final answer
    x = 109,958.09

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1.5x scale

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.