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Finding the Fourth Proportional to 81,009.93, 111,791.09 and 44,214.74

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Solution

The fourth proportional to 81,009.93, 111,791.09 and 44,214.74 is: 61,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,009.93 : 111,791.09 = 44,214.74 : x
  2. Step 2: Convert to fraction form
    81,009.93/111,791.09 = 44,214.74/x
  3. Step 3: Cross multiply
    81,009.93x = 111,791.09 × 44,214.74
  4. Step 4: Simplify right side
    81,009.93x = 4,942,813,198.64
  5. Step 5: Solve for x
    x = 4,942,813,198.64/81,009.93
  6. Step 6: Final answer
    x = 61,014.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.