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Finding the Fourth Proportional to 196,410.92, 271,048.92 and 111,529.76

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Solution

The fourth proportional to 196,410.92, 271,048.92 and 111,529.76 is: 153,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,410.92 : 271,048.92 = 111,529.76 : x
  2. Step 2: Convert to fraction form
    196,410.92/271,048.92 = 111,529.76/x
  3. Step 3: Cross multiply
    196,410.92x = 271,048.92 × 111,529.76
  4. Step 4: Simplify right side
    196,410.92x = 30,230,020,995.86
  5. Step 5: Solve for x
    x = 30,230,020,995.86/196,410.92
  6. Step 6: Final answer
    x = 153,912.12

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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.