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Finding the Fourth Proportional to 132,992.40, 199,553.40 and 101,391.60

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Solution

The fourth proportional to 132,992.40, 199,553.40 and 101,391.60 is: 152,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992.40 : 199,553.40 = 101,391.60 : x
  2. Step 2: Convert to fraction form
    132,992.40/199,553.40 = 101,391.60/x
  3. Step 3: Cross multiply
    132,992.40x = 199,553.40 × 101,391.60
  4. Step 4: Simplify right side
    132,992.40x = 20,233,038,511.44
  5. Step 5: Solve for x
    x = 20,233,038,511.44/132,992.40
  6. Step 6: Final answer
    x = 152,136.80

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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.