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Finding the Fourth Proportional to 73,477.80, 110,212.74 and 43,099.83

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Solution

The fourth proportional to 73,477.80, 110,212.74 and 43,099.83 is: 64,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,477.80 : 110,212.74 = 43,099.83 : x
  2. Step 2: Convert to fraction form
    73,477.80/110,212.74 = 43,099.83/x
  3. Step 3: Cross multiply
    73,477.80x = 110,212.74 × 43,099.83
  4. Step 4: Simplify right side
    73,477.80x = 4,750,150,357.83
  5. Step 5: Solve for x
    x = 4,750,150,357.83/73,477.80
  6. Step 6: Final answer
    x = 64,647.42

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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.