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Finding the Fourth Proportional to 132,358.70, 198,575.10 and 53,528.28

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Solution

The fourth proportional to 132,358.70, 198,575.10 and 53,528.28 is: 80,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358.70 : 198,575.10 = 53,528.28 : x
  2. Step 2: Convert to fraction form
    132,358.70/198,575.10 = 53,528.28/x
  3. Step 3: Cross multiply
    132,358.70x = 198,575.10 × 53,528.28
  4. Step 4: Simplify right side
    132,358.70x = 10,629,383,553.83
  5. Step 5: Solve for x
    x = 10,629,383,553.83/132,358.70
  6. Step 6: Final answer
    x = 80,307.41

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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.