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Finding the Fourth Proportional to 109,866.20, 164,799.30 and 26,760.20

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Solution

The fourth proportional to 109,866.20, 164,799.30 and 26,760.20 is: 40,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,866.20 : 164,799.30 = 26,760.20 : x
  2. Step 2: Convert to fraction form
    109,866.20/164,799.30 = 26,760.20/x
  3. Step 3: Cross multiply
    109,866.20x = 164,799.30 × 26,760.20
  4. Step 4: Simplify right side
    109,866.20x = 4,410,062,227.86
  5. Step 5: Solve for x
    x = 4,410,062,227.86/109,866.20
  6. Step 6: Final answer
    x = 40,140.30

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Why These Related Problems?

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