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Finding the Fourth Proportional to 133,440.70, 184,195.08 and 82,492.51

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Solution

The fourth proportional to 133,440.70, 184,195.08 and 82,492.51 is: 113,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,440.70 : 184,195.08 = 82,492.51 : x
  2. Step 2: Convert to fraction form
    133,440.70/184,195.08 = 82,492.51/x
  3. Step 3: Cross multiply
    133,440.70x = 184,195.08 × 82,492.51
  4. Step 4: Simplify right side
    133,440.70x = 15,194,714,478.85
  5. Step 5: Solve for x
    x = 15,194,714,478.85/133,440.70
  6. Step 6: Final answer
    x = 113,868.67

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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.