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Finding the Fourth Proportional to 196,906.92, 271,737.70 and 112,036.20

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Solution

The fourth proportional to 196,906.92, 271,737.70 and 112,036.20 is: 154,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,906.92 : 271,737.70 = 112,036.20 : x
  2. Step 2: Convert to fraction form
    196,906.92/271,737.70 = 112,036.20/x
  3. Step 3: Cross multiply
    196,906.92x = 271,737.70 × 112,036.20
  4. Step 4: Simplify right side
    196,906.92x = 30,444,459,304.74
  5. Step 5: Solve for x
    x = 30,444,459,304.74/196,906.92
  6. Step 6: Final answer
    x = 154,613.46

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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.