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Finding the Fourth Proportional to 132,732.60, 199,171.80 and 53,903.40

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Solution

The fourth proportional to 132,732.60, 199,171.80 and 53,903.40 is: 80,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,732.60 : 199,171.80 = 53,903.40 : x
  2. Step 2: Convert to fraction form
    132,732.60/199,171.80 = 53,903.40/x
  3. Step 3: Cross multiply
    132,732.60x = 199,171.80 × 53,903.40
  4. Step 4: Simplify right side
    132,732.60x = 10,736,037,204.12
  5. Step 5: Solve for x
    x = 10,736,037,204.12/132,732.60
  6. Step 6: Final answer
    x = 80,884.71

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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.