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Finding the Fourth Proportional to 239,778.05, 330,893.74 and 132,348.11

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Solution

The fourth proportional to 239,778.05, 330,893.74 and 132,348.11 is: 182,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,778.05 : 330,893.74 = 132,348.11 : x
  2. Step 2: Convert to fraction form
    239,778.05/330,893.74 = 132,348.11/x
  3. Step 3: Cross multiply
    239,778.05x = 330,893.74 × 132,348.11
  4. Step 4: Simplify right side
    239,778.05x = 43,793,162,092.50
  5. Step 5: Solve for x
    x = 43,793,162,092.50/239,778.05
  6. Step 6: Final answer
    x = 182,640.41

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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.