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Finding the Fourth Proportional to 71,966.37, 107,956.76 and 22,045.89

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Solution

The fourth proportional to 71,966.37, 107,956.76 and 22,045.89 is: 33,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.37 : 107,956.76 = 22,045.89 : x
  2. Step 2: Convert to fraction form
    71,966.37/107,956.76 = 22,045.89/x
  3. Step 3: Cross multiply
    71,966.37x = 107,956.76 × 22,045.89
  4. Step 4: Simplify right side
    71,966.37x = 2,380,002,745.49
  5. Step 5: Solve for x
    x = 2,380,002,745.49/71,966.37
  6. Step 6: Final answer
    x = 33,071.04

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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.