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Finding the Fourth Proportional to 113,179.56, 169,806.12 and 54,007.60

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Solution

The fourth proportional to 113,179.56, 169,806.12 and 54,007.60 is: 81,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,179.56 : 169,806.12 = 54,007.60 : x
  2. Step 2: Convert to fraction form
    113,179.56/169,806.12 = 54,007.60/x
  3. Step 3: Cross multiply
    113,179.56x = 169,806.12 × 54,007.60
  4. Step 4: Simplify right side
    113,179.56x = 9,170,821,006.51
  5. Step 5: Solve for x
    x = 9,170,821,006.51/113,179.56
  6. Step 6: Final answer
    x = 81,028.95

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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.