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Finding the Fourth Proportional to 132,504.54, 198,754.79 and 53,562.75

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Solution

The fourth proportional to 132,504.54, 198,754.79 and 53,562.75 is: 80,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,504.54 : 198,754.79 = 53,562.75 : x
  2. Step 2: Convert to fraction form
    132,504.54/198,754.79 = 53,562.75/x
  3. Step 3: Cross multiply
    132,504.54x = 198,754.79 × 53,562.75
  4. Step 4: Simplify right side
    132,504.54x = 10,645,852,860.26
  5. Step 5: Solve for x
    x = 10,645,852,860.26/132,504.54
  6. Step 6: Final answer
    x = 80,343.31

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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.