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Finding the Fourth Proportional to 79,819.76, 110,148.53 and 44,009.53

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Solution

The fourth proportional to 79,819.76, 110,148.53 and 44,009.53 is: 60,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,819.76 : 110,148.53 = 44,009.53 : x
  2. Step 2: Convert to fraction form
    79,819.76/110,148.53 = 44,009.53/x
  3. Step 3: Cross multiply
    79,819.76x = 110,148.53 × 44,009.53
  4. Step 4: Simplify right side
    79,819.76x = 4,847,584,540.07
  5. Step 5: Solve for x
    x = 4,847,584,540.07/79,819.76
  6. Step 6: Final answer
    x = 60,731.63

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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.