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Finding the Fourth Proportional to 133,589.76, 184,350.72 and 76,997.76

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Solution

The fourth proportional to 133,589.76, 184,350.72 and 76,997.76 is: 106,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,589.76 : 184,350.72 = 76,997.76 : x
  2. Step 2: Convert to fraction form
    133,589.76/184,350.72 = 76,997.76/x
  3. Step 3: Cross multiply
    133,589.76x = 184,350.72 × 76,997.76
  4. Step 4: Simplify right side
    133,589.76x = 14,194,592,494.39
  5. Step 5: Solve for x
    x = 14,194,592,494.39/133,589.76
  6. Step 6: Final answer
    x = 106,255.09

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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.