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Finding the Fourth Proportional to 133,167.53, 199,793.83 and 47,720.68

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Solution

The fourth proportional to 133,167.53, 199,793.83 and 47,720.68 is: 71,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,167.53 : 199,793.83 = 47,720.68 : x
  2. Step 2: Convert to fraction form
    133,167.53/199,793.83 = 47,720.68/x
  3. Step 3: Cross multiply
    133,167.53x = 199,793.83 × 47,720.68
  4. Step 4: Simplify right side
    133,167.53x = 9,534,297,427.40
  5. Step 5: Solve for x
    x = 9,534,297,427.40/133,167.53
  6. Step 6: Final answer
    x = 71,596.26

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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.