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Finding the Fourth Proportional to 193,562.88, 267,116.40 and 108,680.40

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Solution

The fourth proportional to 193,562.88, 267,116.40 and 108,680.40 is: 149,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,562.88 : 267,116.40 = 108,680.40 : x
  2. Step 2: Convert to fraction form
    193,562.88/267,116.40 = 108,680.40/x
  3. Step 3: Cross multiply
    193,562.88x = 267,116.40 × 108,680.40
  4. Step 4: Simplify right side
    193,562.88x = 29,030,317,198.56
  5. Step 5: Solve for x
    x = 29,030,317,198.56/193,562.88
  6. Step 6: Final answer
    x = 149,978.74

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1.5x scale

Why These Related Problems?

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