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Finding the Fourth Proportional to 83,710.71, 125,565.30 and 33,755.43

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Solution

The fourth proportional to 83,710.71, 125,565.30 and 33,755.43 is: 50,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.71 : 125,565.30 = 33,755.43 : x
  2. Step 2: Convert to fraction form
    83,710.71/125,565.30 = 33,755.43/x
  3. Step 3: Cross multiply
    83,710.71x = 125,565.30 × 33,755.43
  4. Step 4: Simplify right side
    83,710.71x = 4,238,510,694.58
  5. Step 5: Solve for x
    x = 4,238,510,694.58/83,710.71
  6. Step 6: Final answer
    x = 50,632.84

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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.