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Finding the Fourth Proportional to 89,593, 134,408.94 and 27,261.88

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Solution

The fourth proportional to 89,593, 134,408.94 and 27,261.88 is: 40,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593 : 134,408.94 = 27,261.88 : x
  2. Step 2: Convert to fraction form
    89,593/134,408.94 = 27,261.88/x
  3. Step 3: Cross multiply
    89,593x = 134,408.94 × 27,261.88
  4. Step 4: Simplify right side
    89,593x = 3,664,240,393.21
  5. Step 5: Solve for x
    x = 3,664,240,393.21/89,593
  6. Step 6: Final answer
    x = 40,898.74

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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.