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Finding the Fourth Proportional to 263,692.73, 363,895.81 and 142,833.71

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Solution

The fourth proportional to 263,692.73, 363,895.81 and 142,833.71 is: 197,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,692.73 : 363,895.81 = 142,833.71 : x
  2. Step 2: Convert to fraction form
    263,692.73/363,895.81 = 142,833.71/x
  3. Step 3: Cross multiply
    263,692.73x = 363,895.81 × 142,833.71
  4. Step 4: Simplify right side
    263,692.73x = 51,976,589,148.41
  5. Step 5: Solve for x
    x = 51,976,589,148.41/263,692.73
  6. Step 6: Final answer
    x = 197,110.43

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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.