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Finding the Fourth Proportional to 181,066, 271,606.36 and 86,247.44

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Solution

The fourth proportional to 181,066, 271,606.36 and 86,247.44 is: 129,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,066 : 271,606.36 = 86,247.44 : x
  2. Step 2: Convert to fraction form
    181,066/271,606.36 = 86,247.44/x
  3. Step 3: Cross multiply
    181,066x = 271,606.36 × 86,247.44
  4. Step 4: Simplify right side
    181,066x = 23,425,353,237.72
  5. Step 5: Solve for x
    x = 23,425,353,237.72/181,066
  6. Step 6: Final answer
    x = 129,374.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.