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Finding the Fourth Proportional to 133,581.48, 200,453.64 and 69,546.12

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Solution

The fourth proportional to 133,581.48, 200,453.64 and 69,546.12 is: 104,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,581.48 : 200,453.64 = 69,546.12 : x
  2. Step 2: Convert to fraction form
    133,581.48/200,453.64 = 69,546.12/x
  3. Step 3: Cross multiply
    133,581.48x = 200,453.64 × 69,546.12
  4. Step 4: Simplify right side
    133,581.48x = 13,940,772,901.88
  5. Step 5: Solve for x
    x = 13,940,772,901.88/133,581.48
  6. Step 6: Final answer
    x = 104,361.57

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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.