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Finding the Fourth Proportional to 132,472.44, 182,758.05 and 75,099.60

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Solution

The fourth proportional to 132,472.44, 182,758.05 and 75,099.60 is: 103,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,472.44 : 182,758.05 = 75,099.60 : x
  2. Step 2: Convert to fraction form
    132,472.44/182,758.05 = 75,099.60/x
  3. Step 3: Cross multiply
    132,472.44x = 182,758.05 × 75,099.60
  4. Step 4: Simplify right side
    132,472.44x = 13,725,056,451.78
  5. Step 5: Solve for x
    x = 13,725,056,451.78/132,472.44
  6. Step 6: Final answer
    x = 103,606.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.