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Finding the Fourth Proportional to 111,167.67, 166,756.12 and 32,281.90

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Solution

The fourth proportional to 111,167.67, 166,756.12 and 32,281.90 is: 48,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,167.67 : 166,756.12 = 32,281.90 : x
  2. Step 2: Convert to fraction form
    111,167.67/166,756.12 = 32,281.90/x
  3. Step 3: Cross multiply
    111,167.67x = 166,756.12 × 32,281.90
  4. Step 4: Simplify right side
    111,167.67x = 5,383,203,892.63
  5. Step 5: Solve for x
    x = 5,383,203,892.63/111,167.67
  6. Step 6: Final answer
    x = 48,424.19

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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.