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Finding the Fourth Proportional to 70,899.22, 106,372.98 and 44,573.14

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Solution

The fourth proportional to 70,899.22, 106,372.98 and 44,573.14 is: 66,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899.22 : 106,372.98 = 44,573.14 : x
  2. Step 2: Convert to fraction form
    70,899.22/106,372.98 = 44,573.14/x
  3. Step 3: Cross multiply
    70,899.22x = 106,372.98 × 44,573.14
  4. Step 4: Simplify right side
    70,899.22x = 4,741,377,729.76
  5. Step 5: Solve for x
    x = 4,741,377,729.76/70,899.22
  6. Step 6: Final answer
    x = 66,874.89

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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.