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Finding the Fourth Proportional to 79,993.44, 119,988.59 and 23,871.58

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Solution

The fourth proportional to 79,993.44, 119,988.59 and 23,871.58 is: 35,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,993.44 : 119,988.59 = 23,871.58 : x
  2. Step 2: Convert to fraction form
    79,993.44/119,988.59 = 23,871.58/x
  3. Step 3: Cross multiply
    79,993.44x = 119,988.59 × 23,871.58
  4. Step 4: Simplify right side
    79,993.44x = 2,864,316,805.94
  5. Step 5: Solve for x
    x = 2,864,316,805.94/79,993.44
  6. Step 6: Final answer
    x = 35,806.90

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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.