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Finding the Fourth Proportional to 74,469.44, 111,669.06 and 27,051.11

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Solution

The fourth proportional to 74,469.44, 111,669.06 and 27,051.11 is: 40,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.44 : 111,669.06 = 27,051.11 : x
  2. Step 2: Convert to fraction form
    74,469.44/111,669.06 = 27,051.11/x
  3. Step 3: Cross multiply
    74,469.44x = 111,669.06 × 27,051.11
  4. Step 4: Simplify right side
    74,469.44x = 3,020,771,467.31
  5. Step 5: Solve for x
    x = 3,020,771,467.31/74,469.44
  6. Step 6: Final answer
    x = 40,563.91

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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.