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Finding the Fourth Proportional to 132,936.40, 199,469.40 and 101,335.60

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Solution

The fourth proportional to 132,936.40, 199,469.40 and 101,335.60 is: 152,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,936.40 : 199,469.40 = 101,335.60 : x
  2. Step 2: Convert to fraction form
    132,936.40/199,469.40 = 101,335.60/x
  3. Step 3: Cross multiply
    132,936.40x = 199,469.40 × 101,335.60
  4. Step 4: Simplify right side
    132,936.40x = 20,213,351,330.64
  5. Step 5: Solve for x
    x = 20,213,351,330.64/132,936.40
  6. Step 6: Final answer
    x = 152,052.80

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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.