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Finding the Fourth Proportional to 196,395.92, 271,037.98 and 147,912.32

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Solution

The fourth proportional to 196,395.92, 271,037.98 and 147,912.32 is: 204,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,395.92 : 271,037.98 = 147,912.32 : x
  2. Step 2: Convert to fraction form
    196,395.92/271,037.98 = 147,912.32/x
  3. Step 3: Cross multiply
    196,395.92x = 271,037.98 × 147,912.32
  4. Step 4: Simplify right side
    196,395.92x = 40,089,856,429.91
  5. Step 5: Solve for x
    x = 40,089,856,429.91/196,395.92
  6. Step 6: Final answer
    x = 204,127.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.