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Finding the Fourth Proportional to 93,198.94, 139,803.02 and 26,648.86

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Solution

The fourth proportional to 93,198.94, 139,803.02 and 26,648.86 is: 39,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.94 : 139,803.02 = 26,648.86 : x
  2. Step 2: Convert to fraction form
    93,198.94/139,803.02 = 26,648.86/x
  3. Step 3: Cross multiply
    93,198.94x = 139,803.02 × 26,648.86
  4. Step 4: Simplify right side
    93,198.94x = 3,725,591,107.56
  5. Step 5: Solve for x
    x = 3,725,591,107.56/93,198.94
  6. Step 6: Final answer
    x = 39,974.61

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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.