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Finding the Fourth Proportional to 79,801.22, 110,126.45 and 43,992.51

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Solution

The fourth proportional to 79,801.22, 110,126.45 and 43,992.51 is: 60,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.22 : 110,126.45 = 43,992.51 : x
  2. Step 2: Convert to fraction form
    79,801.22/110,126.45 = 43,992.51/x
  3. Step 3: Cross multiply
    79,801.22x = 110,126.45 × 43,992.51
  4. Step 4: Simplify right side
    79,801.22x = 4,844,738,732.93
  5. Step 5: Solve for x
    x = 4,844,738,732.93/79,801.22
  6. Step 6: Final answer
    x = 60,710.09

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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.