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Finding the Fourth Proportional to 193,803.60, 267,451.56 and 108,915.60

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Solution

The fourth proportional to 193,803.60, 267,451.56 and 108,915.60 is: 150,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,803.60 : 267,451.56 = 108,915.60 : x
  2. Step 2: Convert to fraction form
    193,803.60/267,451.56 = 108,915.60/x
  3. Step 3: Cross multiply
    193,803.60x = 267,451.56 × 108,915.60
  4. Step 4: Simplify right side
    193,803.60x = 29,129,647,128.34
  5. Step 5: Solve for x
    x = 29,129,647,128.34/193,803.60
  6. Step 6: Final answer
    x = 150,304.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.