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Finding the Fourth Proportional to 196,278.60, 294,456.30 and 83,958.60

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Solution

The fourth proportional to 196,278.60, 294,456.30 and 83,958.60 is: 125,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,278.60 : 294,456.30 = 83,958.60 : x
  2. Step 2: Convert to fraction form
    196,278.60/294,456.30 = 83,958.60/x
  3. Step 3: Cross multiply
    196,278.60x = 294,456.30 × 83,958.60
  4. Step 4: Simplify right side
    196,278.60x = 24,722,138,709.18
  5. Step 5: Solve for x
    x = 24,722,138,709.18/196,278.60
  6. Step 6: Final answer
    x = 125,954.33

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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.