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Finding the Fourth Proportional to 196,930.80, 294,958.80 and 170,686.80

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Solution

The fourth proportional to 196,930.80, 294,958.80 and 170,686.80 is: 255,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,930.80 : 294,958.80 = 170,686.80 : x
  2. Step 2: Convert to fraction form
    196,930.80/294,958.80 = 170,686.80/x
  3. Step 3: Cross multiply
    196,930.80x = 294,958.80 × 170,686.80
  4. Step 4: Simplify right side
    196,930.80x = 50,345,573,703.84
  5. Step 5: Solve for x
    x = 50,345,573,703.84/196,930.80
  6. Step 6: Final answer
    x = 255,651.09

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1.5x scale

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.