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Finding the Fourth Proportional to 108,246.40, 149,283.22 and 67,963.88

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Solution

The fourth proportional to 108,246.40, 149,283.22 and 67,963.88 is: 93,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,246.40 : 149,283.22 = 67,963.88 : x
  2. Step 2: Convert to fraction form
    108,246.40/149,283.22 = 67,963.88/x
  3. Step 3: Cross multiply
    108,246.40x = 149,283.22 × 67,963.88
  4. Step 4: Simplify right side
    108,246.40x = 10,145,866,850.09
  5. Step 5: Solve for x
    x = 10,145,866,850.09/108,246.40
  6. Step 6: Final answer
    x = 93,729.37

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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.