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Finding the Fourth Proportional to 111,242.34, 166,863.38 and 44,682.48

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Solution

The fourth proportional to 111,242.34, 166,863.38 and 44,682.48 is: 67,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242.34 : 166,863.38 = 44,682.48 : x
  2. Step 2: Convert to fraction form
    111,242.34/166,863.38 = 44,682.48/x
  3. Step 3: Cross multiply
    111,242.34x = 166,863.38 × 44,682.48
  4. Step 4: Simplify right side
    111,242.34x = 7,455,869,416.17
  5. Step 5: Solve for x
    x = 7,455,869,416.17/111,242.34
  6. Step 6: Final answer
    x = 67,023.67

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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.