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Finding the Fourth Proportional to 93,905.79, 140,858.92 and 27,347.54

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Solution

The fourth proportional to 93,905.79, 140,858.92 and 27,347.54 is: 41,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,905.79 : 140,858.92 = 27,347.54 : x
  2. Step 2: Convert to fraction form
    93,905.79/140,858.92 = 27,347.54/x
  3. Step 3: Cross multiply
    93,905.79x = 140,858.92 × 27,347.54
  4. Step 4: Simplify right side
    93,905.79x = 3,852,144,949.06
  5. Step 5: Solve for x
    x = 3,852,144,949.06/93,905.79
  6. Step 6: Final answer
    x = 41,021.38

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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.