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Finding the Fourth Proportional to 93,493.89, 140,291.86 and 54,127.89

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Solution

The fourth proportional to 93,493.89, 140,291.86 and 54,127.89 is: 81,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,493.89 : 140,291.86 = 54,127.89 : x
  2. Step 2: Convert to fraction form
    93,493.89/140,291.86 = 54,127.89/x
  3. Step 3: Cross multiply
    93,493.89x = 140,291.86 × 54,127.89
  4. Step 4: Simplify right side
    93,493.89x = 7,593,701,393.88
  5. Step 5: Solve for x
    x = 7,593,701,393.88/93,493.89
  6. Step 6: Final answer
    x = 81,221.37

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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.