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Finding the Fourth Proportional to 113,366.68, 169,977.12 and 54,201.04

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Solution

The fourth proportional to 113,366.68, 169,977.12 and 54,201.04 is: 81,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,366.68 : 169,977.12 = 54,201.04 : x
  2. Step 2: Convert to fraction form
    113,366.68/169,977.12 = 54,201.04/x
  3. Step 3: Cross multiply
    113,366.68x = 169,977.12 × 54,201.04
  4. Step 4: Simplify right side
    113,366.68x = 9,212,936,680.20
  5. Step 5: Solve for x
    x = 9,212,936,680.20/113,366.68
  6. Step 6: Final answer
    x = 81,266.71

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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.