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Finding the Fourth Proportional to 133,611.24, 184,256.24 and 79,887.54

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Solution

The fourth proportional to 133,611.24, 184,256.24 and 79,887.54 is: 110,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,611.24 : 184,256.24 = 79,887.54 : x
  2. Step 2: Convert to fraction form
    133,611.24/184,256.24 = 79,887.54/x
  3. Step 3: Cross multiply
    133,611.24x = 184,256.24 × 79,887.54
  4. Step 4: Simplify right side
    133,611.24x = 14,719,777,743.25
  5. Step 5: Solve for x
    x = 14,719,777,743.25/133,611.24
  6. Step 6: Final answer
    x = 110,168.71

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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.