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Finding the Fourth Proportional to 133,202.41, 199,631.39 and 99,659.30

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Solution

The fourth proportional to 133,202.41, 199,631.39 and 99,659.30 is: 149,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,202.41 : 199,631.39 = 99,659.30 : x
  2. Step 2: Convert to fraction form
    133,202.41/199,631.39 = 99,659.30/x
  3. Step 3: Cross multiply
    133,202.41x = 199,631.39 × 99,659.30
  4. Step 4: Simplify right side
    133,202.41x = 19,895,125,052.78
  5. Step 5: Solve for x
    x = 19,895,125,052.78/133,202.41
  6. Step 6: Final answer
    x = 149,360.09

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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.