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Finding the Fourth Proportional to 93,093.88, 139,640.60 and 33,905.36

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Solution

The fourth proportional to 93,093.88, 139,640.60 and 33,905.36 is: 50,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.88 : 139,640.60 = 33,905.36 : x
  2. Step 2: Convert to fraction form
    93,093.88/139,640.60 = 33,905.36/x
  3. Step 3: Cross multiply
    93,093.88x = 139,640.60 × 33,905.36
  4. Step 4: Simplify right side
    93,093.88x = 4,734,564,813.62
  5. Step 5: Solve for x
    x = 4,734,564,813.62/93,093.88
  6. Step 6: Final answer
    x = 50,857.96

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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.