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Finding the Fourth Proportional to 106,574.80, 149,481.20 and 106,574.80

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Solution

The fourth proportional to 106,574.80, 149,481.20 and 106,574.80 is: 149,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.80 : 149,481.20 = 106,574.80 : x
  2. Step 2: Convert to fraction form
    106,574.80/149,481.20 = 106,574.80/x
  3. Step 3: Cross multiply
    106,574.80x = 149,481.20 × 106,574.80
  4. Step 4: Simplify right side
    106,574.80x = 15,930,928,993.76
  5. Step 5: Solve for x
    x = 15,930,928,993.76/106,574.80
  6. Step 6: Final answer
    x = 149,481.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.