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Finding the Fourth Proportional to 196,445.80, 294,231.30 and 170,201.80

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Solution

The fourth proportional to 196,445.80, 294,231.30 and 170,201.80 is: 254,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,445.80 : 294,231.30 = 170,201.80 : x
  2. Step 2: Convert to fraction form
    196,445.80/294,231.30 = 170,201.80/x
  3. Step 3: Cross multiply
    196,445.80x = 294,231.30 × 170,201.80
  4. Step 4: Simplify right side
    196,445.80x = 50,078,696,876.34
  5. Step 5: Solve for x
    x = 50,078,696,876.34/196,445.80
  6. Step 6: Final answer
    x = 254,923.73

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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.