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Finding the Fourth Proportional to 93,494.98, 140,138.59 and 71,234.97

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Solution

The fourth proportional to 93,494.98, 140,138.59 and 71,234.97 is: 106,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,494.98 : 140,138.59 = 71,234.97 : x
  2. Step 2: Convert to fraction form
    93,494.98/140,138.59 = 71,234.97/x
  3. Step 3: Cross multiply
    93,494.98x = 140,138.59 × 71,234.97
  4. Step 4: Simplify right side
    93,494.98x = 9,982,768,254.49
  5. Step 5: Solve for x
    x = 9,982,768,254.49/93,494.98
  6. Step 6: Final answer
    x = 106,773.31

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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.