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Finding the Fourth Proportional to 133,487.22, 200,189.53 and 38,724.37

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Solution

The fourth proportional to 133,487.22, 200,189.53 and 38,724.37 is: 58,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.22 : 200,189.53 = 38,724.37 : x
  2. Step 2: Convert to fraction form
    133,487.22/200,189.53 = 38,724.37/x
  3. Step 3: Cross multiply
    133,487.22x = 200,189.53 × 38,724.37
  4. Step 4: Simplify right side
    133,487.22x = 7,752,213,429.85
  5. Step 5: Solve for x
    x = 7,752,213,429.85/133,487.22
  6. Step 6: Final answer
    x = 58,074.57

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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.