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Finding the Fourth Proportional to 106,731.20, 160,100.04 and 36,609.50

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Solution

The fourth proportional to 106,731.20, 160,100.04 and 36,609.50 is: 54,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.20 : 160,100.04 = 36,609.50 : x
  2. Step 2: Convert to fraction form
    106,731.20/160,100.04 = 36,609.50/x
  3. Step 3: Cross multiply
    106,731.20x = 160,100.04 × 36,609.50
  4. Step 4: Simplify right side
    106,731.20x = 5,861,182,414.38
  5. Step 5: Solve for x
    x = 5,861,182,414.38/106,731.20
  6. Step 6: Final answer
    x = 54,915.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.