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Finding the Fourth Proportional to 74,099.03, 110,909.88 and 48,819.41

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Solution

The fourth proportional to 74,099.03, 110,909.88 and 48,819.41 is: 73,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.03 : 110,909.88 = 48,819.41 : x
  2. Step 2: Convert to fraction form
    74,099.03/110,909.88 = 48,819.41/x
  3. Step 3: Cross multiply
    74,099.03x = 110,909.88 × 48,819.41
  4. Step 4: Simplify right side
    74,099.03x = 5,414,554,350.22
  5. Step 5: Solve for x
    x = 5,414,554,350.22/74,099.03
  6. Step 6: Final answer
    x = 73,071.87

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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.