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Finding the Fourth Proportional to 93,676.85, 140,522.61 and 27,117.98

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Solution

The fourth proportional to 93,676.85, 140,522.61 and 27,117.98 is: 40,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,676.85 : 140,522.61 = 27,117.98 : x
  2. Step 2: Convert to fraction form
    93,676.85/140,522.61 = 27,117.98/x
  3. Step 3: Cross multiply
    93,676.85x = 140,522.61 × 27,117.98
  4. Step 4: Simplify right side
    93,676.85x = 3,810,689,327.53
  5. Step 5: Solve for x
    x = 3,810,689,327.53/93,676.85
  6. Step 6: Final answer
    x = 40,679.09

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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.