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Finding the Fourth Proportional to 73,690.20, 110,535.30 and 26,961.30

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Solution

The fourth proportional to 73,690.20, 110,535.30 and 26,961.30 is: 40,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690.20 : 110,535.30 = 26,961.30 : x
  2. Step 2: Convert to fraction form
    73,690.20/110,535.30 = 26,961.30/x
  3. Step 3: Cross multiply
    73,690.20x = 110,535.30 × 26,961.30
  4. Step 4: Simplify right side
    73,690.20x = 2,980,175,383.89
  5. Step 5: Solve for x
    x = 2,980,175,383.89/73,690.20
  6. Step 6: Final answer
    x = 40,441.95

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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.