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Finding the Fourth Proportional to 196,668.44, 271,401.84 and 111,801.84

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Solution

The fourth proportional to 196,668.44, 271,401.84 and 111,801.84 is: 154,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668.44 : 271,401.84 = 111,801.84 : x
  2. Step 2: Convert to fraction form
    196,668.44/271,401.84 = 111,801.84/x
  3. Step 3: Cross multiply
    196,668.44x = 271,401.84 × 111,801.84
  4. Step 4: Simplify right side
    196,668.44x = 30,343,225,091.39
  5. Step 5: Solve for x
    x = 30,343,225,091.39/196,668.44
  6. Step 6: Final answer
    x = 154,286.19

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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.