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Finding the Fourth Proportional to 93,448, 140,185.50 and 30,247.48

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Solution

The fourth proportional to 93,448, 140,185.50 and 30,247.48 is: 45,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,448 : 140,185.50 = 30,247.48 : x
  2. Step 2: Convert to fraction form
    93,448/140,185.50 = 30,247.48/x
  3. Step 3: Cross multiply
    93,448x = 140,185.50 × 30,247.48
  4. Step 4: Simplify right side
    93,448x = 4,240,258,107.54
  5. Step 5: Solve for x
    x = 4,240,258,107.54/93,448
  6. Step 6: Final answer
    x = 45,375.59

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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.