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Finding the Fourth Proportional to 133,722.22, 184,530.96 and 79,975.48

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Solution

The fourth proportional to 133,722.22, 184,530.96 and 79,975.48 is: 110,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,722.22 : 184,530.96 = 79,975.48 : x
  2. Step 2: Convert to fraction form
    133,722.22/184,530.96 = 79,975.48/x
  3. Step 3: Cross multiply
    133,722.22x = 184,530.96 × 79,975.48
  4. Step 4: Simplify right side
    133,722.22x = 14,757,952,100.86
  5. Step 5: Solve for x
    x = 14,757,952,100.86/133,722.22
  6. Step 6: Final answer
    x = 110,362.75

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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.