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Finding the Fourth Proportional to 132,792.28, 199,187.88 and 53,905.84

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Solution

The fourth proportional to 132,792.28, 199,187.88 and 53,905.84 is: 80,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.28 : 199,187.88 = 53,905.84 : x
  2. Step 2: Convert to fraction form
    132,792.28/199,187.88 = 53,905.84/x
  3. Step 3: Cross multiply
    132,792.28x = 199,187.88 × 53,905.84
  4. Step 4: Simplify right side
    132,792.28x = 10,737,389,989.22
  5. Step 5: Solve for x
    x = 10,737,389,989.22/132,792.28
  6. Step 6: Final answer
    x = 80,858.54

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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.