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Finding the Fourth Proportional to 80,305.71, 110,817.21 and 44,493.58

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Solution

The fourth proportional to 80,305.71, 110,817.21 and 44,493.58 is: 61,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305.71 : 110,817.21 = 44,493.58 : x
  2. Step 2: Convert to fraction form
    80,305.71/110,817.21 = 44,493.58/x
  3. Step 3: Cross multiply
    80,305.71x = 110,817.21 × 44,493.58
  4. Step 4: Simplify right side
    80,305.71x = 4,930,654,398.51
  5. Step 5: Solve for x
    x = 4,930,654,398.51/80,305.71
  6. Step 6: Final answer
    x = 61,398.55

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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.