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Finding the Fourth Proportional to 71,973.78, 107,963.91 and 22,050.24

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Solution

The fourth proportional to 71,973.78, 107,963.91 and 22,050.24 is: 33,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.78 : 107,963.91 = 22,050.24 : x
  2. Step 2: Convert to fraction form
    71,973.78/107,963.91 = 22,050.24/x
  3. Step 3: Cross multiply
    71,973.78x = 107,963.91 × 22,050.24
  4. Step 4: Simplify right side
    71,973.78x = 2,380,630,126.84
  5. Step 5: Solve for x
    x = 2,380,630,126.84/71,973.78
  6. Step 6: Final answer
    x = 33,076.35

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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.