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Finding the Fourth Proportional to 132,136.92, 198,235.64 and 57,269.64

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Solution

The fourth proportional to 132,136.92, 198,235.64 and 57,269.64 is: 85,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,136.92 : 198,235.64 = 57,269.64 : x
  2. Step 2: Convert to fraction form
    132,136.92/198,235.64 = 57,269.64/x
  3. Step 3: Cross multiply
    132,136.92x = 198,235.64 × 57,269.64
  4. Step 4: Simplify right side
    132,136.92x = 11,352,883,737.97
  5. Step 5: Solve for x
    x = 11,352,883,737.97/132,136.92
  6. Step 6: Final answer
    x = 85,917.58

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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.