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Finding the Fourth Proportional to 83,437.63, 125,164.13 and 27,278.03

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Solution

The fourth proportional to 83,437.63, 125,164.13 and 27,278.03 is: 40,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.63 : 125,164.13 = 27,278.03 : x
  2. Step 2: Convert to fraction form
    83,437.63/125,164.13 = 27,278.03/x
  3. Step 3: Cross multiply
    83,437.63x = 125,164.13 × 27,278.03
  4. Step 4: Simplify right side
    83,437.63x = 3,414,231,146.30
  5. Step 5: Solve for x
    x = 3,414,231,146.30/83,437.63
  6. Step 6: Final answer
    x = 40,919.56

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1.5x scale

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.