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Finding the Fourth Proportional to 61,571.88, 92,335.14 and 22,118.40

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Solution

The fourth proportional to 61,571.88, 92,335.14 and 22,118.40 is: 33,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.88 : 92,335.14 = 22,118.40 : x
  2. Step 2: Convert to fraction form
    61,571.88/92,335.14 = 22,118.40/x
  3. Step 3: Cross multiply
    61,571.88x = 92,335.14 × 22,118.40
  4. Step 4: Simplify right side
    61,571.88x = 2,042,305,560.58
  5. Step 5: Solve for x
    x = 2,042,305,560.58/61,571.88
  6. Step 6: Final answer
    x = 33,169.45

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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.