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Finding the Fourth Proportional to 73,871.41, 110,869.10 and 38,354.53

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Solution

The fourth proportional to 73,871.41, 110,869.10 and 38,354.53 is: 57,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871.41 : 110,869.10 = 38,354.53 : x
  2. Step 2: Convert to fraction form
    73,871.41/110,869.10 = 38,354.53/x
  3. Step 3: Cross multiply
    73,871.41x = 110,869.10 × 38,354.53
  4. Step 4: Simplify right side
    73,871.41x = 4,252,331,667.68
  5. Step 5: Solve for x
    x = 4,252,331,667.68/73,871.41
  6. Step 6: Final answer
    x = 57,563.97

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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.