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Finding the Fourth Proportional to 133,512.12, 184,247.10 and 73,896.12

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Solution

The fourth proportional to 133,512.12, 184,247.10 and 73,896.12 is: 101,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,512.12 : 184,247.10 = 73,896.12 : x
  2. Step 2: Convert to fraction form
    133,512.12/184,247.10 = 73,896.12/x
  3. Step 3: Cross multiply
    133,512.12x = 184,247.10 × 73,896.12
  4. Step 4: Simplify right side
    133,512.12x = 13,615,145,811.25
  5. Step 5: Solve for x
    x = 13,615,145,811.25/133,512.12
  6. Step 6: Final answer
    x = 101,976.85

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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.