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Finding the Fourth Proportional to 133,676.33, 184,455.83 and 79,941.74

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Solution

The fourth proportional to 133,676.33, 184,455.83 and 79,941.74 is: 110,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,676.33 : 184,455.83 = 79,941.74 : x
  2. Step 2: Convert to fraction form
    133,676.33/184,455.83 = 79,941.74/x
  3. Step 3: Cross multiply
    133,676.33x = 184,455.83 × 79,941.74
  4. Step 4: Simplify right side
    133,676.33x = 14,745,719,280.92
  5. Step 5: Solve for x
    x = 14,745,719,280.92/133,676.33
  6. Step 6: Final answer
    x = 110,309.13

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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.