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Finding the Fourth Proportional to 108,229.60, 149,260.14 and 67,947.12

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Solution

The fourth proportional to 108,229.60, 149,260.14 and 67,947.12 is: 93,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,229.60 : 149,260.14 = 67,947.12 : x
  2. Step 2: Convert to fraction form
    108,229.60/149,260.14 = 67,947.12/x
  3. Step 3: Cross multiply
    108,229.60x = 149,260.14 × 67,947.12
  4. Step 4: Simplify right side
    108,229.60x = 10,141,795,897.50
  5. Step 5: Solve for x
    x = 10,141,795,897.50/108,229.60
  6. Step 6: Final answer
    x = 93,706.30

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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.